Historic botanical illustration: Historic art-teaching diagram reflecting Arthur Wesley Dow’s compositional approach.
Historic art-teaching diagram reflecting Arthur Wesley Dow’s compositional approach. Internet Archive Book Images. No restrictions. Source: Wikimedia Commons. Image source; rights terms.

by
Tom Gurney BSc (Hons) is an art history expert with over 20 years experience
Page Created on September 22, 2026 / Page Updated on September 22, 2026
Email: tomgurney1@gmail.com / Phone: +44 7429 011000

Introduction

Georgia O’Keeffe’s Grey Lines with Black, Blue and Yellow rises through a tall, narrow canvas as a sequence of coloured folds. Pale pink and white-grey forms approach from both sides. Between them, blue, green, yellow and black gather into an opening that seems at once shallow and immeasurably deep. The image offers no stable object, horizon or human figure, yet it repeatedly prompts recognition.

Its documentary history is equally mobile. The Museum of Fine Arts, Houston dates the painting c. 1923; the catalogue raisonné gives 1923–1925; lost backing inscriptions point towards both 1923 and 1925. An early designation as “Wedding” has encouraged biographical interpretation, but neither title nor imagery authorises a single decoding. The painting’s force lies in the controlled coexistence of colour, bodily association, natural form and abstraction.[1][2][3]

At a Glance

  • ArtistGeorgia O’Keeffe
  • ArtworkGrey Line with Black, Blue and Yellow
  • Artistic contextAmerican modernism

Contents

  1. Object identity
  2. Encountering the rising structure
  3. Colour as structure
  4. Crop, scale and painted surface
  5. Title and date evidence
  6. The “wedding picture” claim
  7. Nature without a named subject
  8. Composition, music and visual equivalence
  9. Photography and the close view
  10. Body, sexuality and gendered reception
  11. Beside Grey Line with Lavender and Yellow
  12. Other abstractions around 1923–1925
  13. Early exhibition and photographic evidence
  14. The 1946 retrospective and canon formation
  15. Later exhibitions and international reception
  16. Provenance, acquisition and museum life
  17. Material evidence and technical limits
  18. How to look at the painting

Object identity

  • Artist: Georgia O’Keeffe (1887–1986)
  • Destination title: Grey Line with Black, Blue and Yellow
  • Owner and catalogue title: Grey Lines with Black, Blue and Yellow
  • Owner date: c. 1923
  • Catalogue date: 1923–1925
  • Medium: oil on canvas
  • Dimensions: 121.9 × 76.2 cm (48 × 30 inches)
  • Catalogue raisonné: CR 447
  • Collection: Museum of Fine Arts, Houston
  • Accession: 77.331
  • Credit: museum purchase funded by the Agnes Cullen Arnold Endowment[1][2]

The plural Lines is not incidental. It is the title supported by the Whitney Archive, Downtown Gallery Archive and Abiquiú Notebooks, as well as the live owner record. The destination page’s singular Line is retained in the headline for continuity, but the manuscript uses the documented plural thereafter. That distinction also helps separate CR 447 from several O’Keeffe paintings whose titles begin with Grey Line.[1][4]

Encountering the rising structure

The composition is nearly symmetrical without ever becoming mechanically mirrored. Two broad pink forms bend inward from the upper sides, then flare outward as they descend. Their curves establish a vessel-like enclosure, but the lower edge interrupts any complete outline. The eye is led upward through a narrow interior and then returned to the larger pale forms that hold it. At the bottom centre, a dark grey-black shape pushes into a succession of coloured bands.

Yellow appears as a sharp inner light; blue and green widen above it; muted rose enters between cool passages. Near the top, a blue-green form opens against grey and pink. The sequence resembles something unfolding, although its direction can reverse as the viewer moves from top to bottom. The painting’s scale matters from the outset. At four feet high, it approaches the dimensions of a standing body, while its thirty-inch width keeps the encounter concentrated.

It can be read at a distance as one continuous emblem, then at close range as a series of transitions. No single glance settles whether the central form projects, recedes, closes or opens.[1][2] The title directs attention towards lines, yet few of them behave like drawn contours. Most are boundaries between colour fields: a grey edge against pink, a blue seam against green, a black curve against yellow.

Some widen into bands and others almost disappear through blending. Line is therefore both a path and the result of two painted areas meeting. The most insistent movement begins low in the canvas. The black-grey core narrows, then feeds into coloured layers that rise and spread. This vertical pressure is checked by lateral curves entering from both sides.

O’Keeffe balances ascent and enclosure, so that the composition feels animated without relying on depicted movement or a recognisable event. Fold is a useful descriptive word because one colour seems to turn behind another. It must remain an analogy rather than an identification. No cloth edge, petal boundary or anatomical structure is fully specified. The painting produces the sensation of layered material while withholding the ordinary evidence that would tell us what kind of material it is.[3][6]

Colour as structure

Pink occupies more of the surface than any colour named in the title. Pale rose warms the framing forms; deeper pink accents appear closer to the centre; grey cools their edges. The omission of pink from the title suggests that O’Keeffe was not attempting an inventory. She selected the colours that organised the image’s internal line and contrast.

Blue also performs several jobs. At the top it becomes a cool opening, while lower passages run beside green and black as narrow vertical bands. Yellow is smaller but more intense. Because it sits against the darkest area, it behaves like light without describing a lamp, sun or reflected surface. Its visual weight exceeds its physical area.

Black does not merely close the composition. It defines an interior threshold, deepens neighbouring blue and yellow, and gives the pastel field a point of resistance. Grey mediates between black and the outer pink-white forms. Together these colours establish depth through relation rather than conventional modelling. The painting can appear luminous even though no light source is represented.[2][3]

Crop, scale and painted surface

The lateral forms meet or pass beyond the edges, preventing the viewer from seeing a complete enclosing shape. Cropping makes the image feel larger than the canvas, but it also creates intimacy: the field resembles a view taken from extremely close range. Whitney interpretation relates this compression to modernist photography, where enlargement and framing could separate a form from its normal setting.[3] That comparison explains a visual affinity, not a source. No public record identifies a photograph used for CR 447.

Oil paint permits repeated adjustment, tonal blending and decisions made over time. The painting’s softly graduated passages and carefully controlled edges depend on those material processes, even when the final image recalls a photographic close-up. Reproduction tends to flatten the difference between broad blended fields and narrower seams. The MFAH record describes controlled brushwork and nuanced tonal gradation as characteristic of O’Keeffe’s shift into oil abstraction. Direct visual evidence supports that distinction, but the public record does not supply magnified examination or a technical image set for this canvas.[2][19]

Title and date evidence

The catalogue title comes from three independent archival systems: the Whitney Archive, the Downtown Gallery Archive and O’Keeffe’s Abiquiú Notebooks. Their agreement gives Grey Lines with Black, Blue and Yellow considerable authority. It also preserves the artist’s characteristic practice of naming formal elements without explaining what the forms represent.[1] Another title entered public circulation in May 1946, when Time reproduced the painting as Grey Line.

The shortened form may have been editorial convenience, an exhibition label or a reflection of the record available to the magazine. It should not displace the fuller archival title, but it belongs to the history through which audiences encountered the work.[1] The word grey names a colour that changes according to its neighbours.

Beside pink it can look blue; beside black it becomes pale; beside yellow it appears cool and recessive. “Lines” likewise names an active relationship rather than a single motif. The title offers a route into the composition while leaving flower, body, cloth and landscape associations unconfirmed.[2][20] The MFAH dates the painting c. 1923. The Whitney Archive and Downtown Gallery Archive give 1923, while O’Keeffe’s Abiquiú Notebooks give c. 1923.

A lost backing reportedly carried an inscription in O’Keeffe’s hand, “Grey Lines with Black Blue and Yellow. 23?”, although that reading has not been verified against the original support.[1][2] A different lost inscription complicates the record. MFAH files transcribe “Wedding/by Georgia O’Keeffe 1925” in pencil on a backing board, probably not in O’Keeffe’s hand. Catalogue documentation attributes the wording to Alfred Stieglitz but does not record the medium of the original notation.

Because the backing is lost, handwriting, sequence and physical relation to the canvas cannot now be tested.[1][2] Access O’Keeffe publishes 1923–1925 to hold both bodies of evidence in view. That range is more candid than choosing whichever date best suits a biographical story. The canvas may have been begun, revised, titled, exhibited or newly inscribed at different moments. Public documentation does not establish which of those possibilities explains the conflict.[1][24]

The catalogue’s own method explains why physical inscriptions matter so much. Research for the raisonné found Stieglitz-written dates on twenty-three works included in the 1923 Anderson Galleries exhibition; because he applied them before that show opened, they sometimes corrected dates remembered decades later.[27] CR 447 offers no surviving equivalent. Its two reported backing texts are lost and unverified, so a general discovery about Stieglitz’s dating practice cannot turn either disputed inscription into secure evidence.

The “wedding picture” claim

O’Keeffe and Stieglitz married in December 1924, after years of artistic and personal partnership. The lost word “Wedding” has therefore encouraged the idea that CR 447 records their marriage or the emotional state surrounding it. Whitney’s 2009 audio guide calls this painting and the related Grey Line with Lavender and Yellow “wedding pictures” and notes how rarely they had been shown together.[3][9]

The phrase is valuable reception evidence, but it is not a neutral object title. The backing inscription gives 1925, while substantial archival evidence gives 1923. Nor is an abstract image a diary entry whose curves can be matched securely to a single event. A relationship context may shape how the painting was named or remembered without proving that every form illustrates marriage.

The archive encourages both attention and restraint. O’Keeffe and Stieglitz exchanged thousands of pages of correspondence over three decades, and their writings illuminate artistic decisions as well as a complicated partnership. Yet the Library of Congress collection begins in 1929, and the Beinecke overview does not publish a CR 447-specific letter. General intimacy cannot fill an object-specific documentary gap.[25][26]

Nature without a named subject

The forms recall petals because they curve, overlap and gather around an interior. They can also suggest a shell, a flame, folded fabric, a passage between hills or a view into a plant. Access O’Keeffe describes petal-like shapes while retaining the work’s status as an abstraction. The careful phrase matters: resemblance is visible, but the subject remains unconfirmed.[1]

Spanish scholarship at the Museo Thyssen describes O’Keeffe’s early work as a personal, sometimes biomorphic abstraction grounded in sensations prompted by nature. That formulation avoids forcing a choice between object and feeling. Natural forms can provide curvature, rhythm and colour without requiring the finished painting to depict a botanically identifiable specimen.[20]

French Centre Pompidou interpretation similarly stresses transformation rather than transcription across O’Keeffe’s practice. Her colours and simplified structures produce mental and sensory equivalents instead of topographical copies. CR 447 fits that larger account, but it remains distinctive in the absence of a place name or recognisable horizon. Nature is a possible source of form, not a solved iconographic key.[21]

Arthur Wesley Dow’s teaching offered O’Keeffe a way out of academic imitation. His emphasis on line, dark-and-light mass and colour encouraged composition as an arrangement of related forces. The National Gallery of Art describes his influence as joining formal organisation to an understanding of nature as a source of artistic experience rather than merely something to copy.[10][11] CR 447 can be examined through that grammar. The dark core carries disproportionate weight; pale masses balance it from both sides; small yellow and blue passages redirect the eye.

Symmetry is suggested, then disturbed by unequal curves and colour widths. The composition feels inevitable because relations are controlled, not because the represented object is obvious. This training also complicates claims that the image poured out as pure instinct. O’Keeffe’s abstractions could register experience while remaining highly designed. Later technical research at the Thyssen documents a methodical studio practice involving preparatory drawing, colour tests and carefully selected mixtures.

Those findings concern other canvases, but they challenge the mythology of effortless spontaneity surrounding her work.[19] Music offered early abstraction a persuasive model: sound could carry emotion and structure without depicting an object. O’Keeffe repeatedly used musical titles elsewhere, and museum scholarship connects her early oils with rhythm, recurrence and visual equivalence. The rising bands in CR 447 can be experienced like a sequence of intervals or changing harmonies.[5][10] No source located for this manuscript identifies a composition, performer or musical event behind the painting.

Calling it a translation of a particular piece would replace evidence with atmosphere. Music is most useful here as a model for understanding how colour and line can organise feeling without forming an illustration. O’Keeffe’s much-circulated statement that she could say things with colour and shapes that she could not say in words supports this broader account. It does not tell us what one black curve or yellow band means. The statement protects the painting’s specificity by acknowledging that verbal paraphrase cannot exhaust its visual relations.[2][7][8][12]

O’Keeffe worked within a circle in which photography was being argued into the category of modern art. Stieglitz, Paul Strand and others used cropping, magnification and tonal concentration to make familiar things newly difficult to identify. Whitney interpretation sees those methods at work in the perceptual pressure of CR 447.[3] The painting does not imitate a photograph’s monochrome scale or mechanical exposure. Its coloured bands unfold through decisions specific to oil, and its vertical proportions create a bodily encounter that differs from most photographic prints.

What painting borrows is a way of framing: the confidence that an enlarged fragment can constitute a complete image. Later exhibitions have made this cross-media context explicit. Two Lives arranged paintings and photographs as a conversation between O’Keeffe and Stieglitz, while Natural Affinities paired O’Keeffe’s transformations of nature with Ansel Adams’s tonal abstractions. These frames reveal visual relationships without proving that a particular photograph generated this canvas.[17][18]

Public-domain contextual image: Japanese woodblock print by Hashimoto Chikanobu.
Japanese woodblock print by Hashimoto Chikanobu. Hashimoto Chikanobu. Inscription to the far left, middle reads as "aritist: Hashimoto Naoyoshi of Yushimatenjin-chō; publisher: Kodama Yakichi of Bakuro-chō ".. Public domain. Source: Wikimedia Commons. Image source; rights terms.

The narrow central opening has often invited anatomical association. Curves can resemble labial folds; the interior may appear receptive, compressed or emerging. Such readings are neither visually absurd nor self-evidently complete. They describe a viewer’s encounter with ambiguous form rather than a documented subject supplied by O’Keeffe.[3][5] The history of those readings matters because Stieglitz exhibited photographs of O’Keeffe’s body and critics frequently interpreted her art through gender and sexuality.

Biographical publicity made it unusually easy to treat each abstraction as an involuntary confession. That framework could recognise sensuality while also denying the artist’s control, training and range.[6][10] O’Keeffe later objected when viewers placed their own associations onto her flowers as though she had necessarily seen what they saw. The statement does not make bodily response forbidden; it changes the standard of claim. A manuscript can report the painting’s erotic reception and its visual grounds while refusing to convert association into settled intention.[8]

The Metropolitan Museum’s Grey Line with Lavender and Yellow, CR 448, shares CR 447’s dimensions of 48 by 30 inches and is dated ca. 1923. Both organise a tall field around curved grey divisions and pale colour. Their scale and closely related titles make comparison necessary, especially because the Whitney displayed them together in 2009.[3][4]

The Met picture is not a duplicate. Its centre forms a broad grey-lavender arc divided by a thin line, with a pale blue semicircle above. CR 447 has a denser black core and more sharply layered blue, green and yellow bands. One feels broadly gathered around a central slit; the other develops a narrower, more chromatically segmented ascent.[2][5]

Their material records also differ. The Met canvas is titled, dated and initialled on the reverse, although the question mark in its 1923 inscription preserves some hesitation. CR 447 is unsigned and known through lost backing records. Evidence from one work cannot repair the other’s missing support. Comparison clarifies a serial investigation while keeping two object histories distinct.[1][4][5]

Other abstractions around 1923–1925

The paired grey-line paintings belong to a period in which O’Keeffe moved between non-objective form and suggestions of flower, landscape and bodily structure. Works such as Red, Yellow and Black Streak and Flower Abstraction show how a title might pull an image towards landscape or botany without exhausting its formal life. Repetition allowed her to test related curves, apertures and colour transitions.[6] This serial practice argues against treating CR 447 as a unique burst of private symbolism.

It shares proportions, visual problems and tonal methods with other paintings while retaining an individual palette. The catalogue number is therefore more useful than a generic label such as “wedding picture” when tracing what changed from one canvas to another. Seattle’s Abstract Variations framed the early oils as a progression in which O’Keeffe refined formal strategies for responding to nature. Its focus on lines, curves and undulating fields helps recover the experimental continuity behind more famous subjects. CR 447’s ambiguity is an achievement of sustained method rather than an absence of content.[14][15]

Early exhibition and photographic evidence

The MFAH places the work at the Anderson Galleries either from 29 January to 10 February 1923 or from 3 to 16 March 1924.[2] Access O’Keeffe independently confirms the earlier exhibition’s exact dates and title—Alfred Stieglitz Presents One Hundred Pictures—but its public record does not list CR 447 among the works.[29] The unresolved alternative therefore mirrors the date problem: the exhibitions are documented, while the surviving public evidence does not decide which one included this canvas or under what title.

A 1934 photograph records CR 447 installed at An American Place in Georgia O’Keeffe at “An American Place,” 44 Selected Paintings 1915–1927.[1] It documents a historical viewing environment in which pictures were arranged in relation to one another rather than encountered as isolated digital images. The photograph confirms later display, not the moment of execution. A work shown in 1923 would require completion by then, but the owner’s either-or record does not establish that premise. Responsible chronology distinguishes what each record can actually prove.[1][2][29]

The 1946 retrospective and canon formation

MoMA’s 1946 retrospective presented O’Keeffe’s work from 15 May to 25 August and marked MoMA’s first career retrospective dedicated to a female artist. Organised chronologically by James Johnson Sweeney, it included early abstractions as well as flowers and New Mexico landscapes. O’Keeffe participated closely in its preparation, giving the institutional survey unusual access to her own account.[12][13] CR 447’s inclusion carried it from the intimate structures of Stieglitz’s galleries into a national museum narrative. Its reproduction in Time as Grey Line during the same month widened that public life while simplifying its title.

The image could now signify an early abstract O’Keeffe within a retrospective story, even as the precise documentary record became less visible.[1][12] A later survey opened at the Whitney in 1970 before travelling in 1971 to the Art Institute of Chicago and San Francisco Museum of Art. By then O’Keeffe was often identified through flowers, bones and desert landscapes. Showing CR 447 made abstraction part of the long career rather than a youthful prelude abandoned once recognisable motifs appeared.[1][6]

Later exhibitions and international reception

The painting entered a wide range of later frames: a 1980 exhibition at Sheldon Memorial Art Gallery, Nevelson & O’Keeffe, Two Lives, Natural Affinities and the 2009–10 abstraction survey. Each changed the neighbours around it. It could be read through two women’s independence, a marriage and photographic partnership, affinities across media, or a sustained history of abstraction.[1][6][17][18] Tate included the work in its 2016 O’Keeffe retrospective, where public interpretation connected it with European modernism, music and the natural world.

The Seattle exhibition of 2020 returned to a more concentrated account of early abstraction. International and regional institutions thus continued to revise which O’Keeffe appeared most central.[14][16] Tate’s official selected-works list identifies CR 447 at c. 1923, gives its metric dimensions and MFAH credit, confirming the loan through primary exhibition documentation rather than later publicity.[28] Spanish, French and Swiss retrospectives widened this revision further, even when their surviving public materials discuss O’Keeffe’s practice rather than CR 447 alone.[20][21][22]

The institutional sequence between the major retrospectives is also revealing. Sheldon Memorial Art Gallery presented the canvas in a 1980 survey of O’Keeffe’s oils, watercolours and drawings. MFAH placed it in A Permanent Heritage later that year, then used it in collection surveys during the late 1980s and early 1990s. The work could therefore operate both as a chapter in one artist’s development and as a claimed cornerstone of Houston’s American holdings.[2]

The 1992–93 Two Lives tour moved from the Phillips Collection to New York, Minneapolis and Houston. Its title explicitly turned paintings and photographs into a conversation between O’Keeffe and Stieglitz, reinforcing the biographical frame around a canvas once labelled “Wedding”. That context can illuminate the history of reception while also making it harder to encounter CR 447 as a formal argument independent of the marriage.[2][18] Later tours produced different comparisons.

Natural Affinities travelled from Santa Fe to Washington, West Palm Beach and San Francisco in 2008–09, setting painted form beside Ansel Adams’s photography and a shared attention to nature.[2][17] The Whitney’s abstraction survey then travelled to the Phillips and Georgia O’Keeffe Museum in 2010. Houston collection exhibitions in 2012 and 2015 returned the canvas to narratives of American art and local collecting before the Tate and Seattle loans.[2][6]

Provenance, acquisition and museum life

The documented provenance begins with O’Keeffe, then passes through a private collection. Washburn Gallery sold the painting to the Museum of Fine Arts, Houston on 21 November 1977. The museum used the Agnes Cullen Arnold Endowment for the purchase, assigning accession number 77.331.[1][2] That sequence is concise but incomplete. The public record does not name the private owner, give dates for transfer from O’Keeffe or identify the transaction by which Washburn obtained the canvas.

Those gaps should remain visible. “Private collection” is a documented stage, not permission to invent an uninterrupted chain. The live MFAH record places the painting in Gallery 203 of the Nancy and Rich Kinder Building. Current display gives an early American abstraction a place within a much broader museum history than its original Stieglitz context. Its public identity now depends on Houston cataloguing, conservation and interpretation as well as the archives maintained by the O’Keeffe Museum.[1][2]

Material evidence and technical limits

The verified material statement is brief: oil on canvas, unsigned, with a lost backing formerly carrying pencil inscriptions. The owner records canvas and frame dimensions but publishes no pigment analysis, ground cross-section, X-radiograph, infrared image, ultraviolet examination, varnish identification, condition map or treatment history. Visible smoothness cannot substitute for those forms of evidence.[1][2] Thyssen research on other O’Keeffe paintings documents commercial tube colours, recurring pigment families, graphite or charcoal planning and a surviving archive of colour cards. Peer-reviewed conservation research has also identified metal-soap protrusions associated with certain commercial primed canvases used by O’Keeffe.

These findings establish useful research questions, not CR 447-specific answers.[19][23] The distinction protects the object from false precision. We may describe visible tonal gradation, layered colour and restrained brushwork. We may not name its pigments, declare the ground original, diagnose deterioration or infer a treatment without a report. The O’Keeffe Museum’s technical programme demonstrates how imaging and analysis can revise understanding when object-level data actually exist.[24]

How to look at the painting

Begin at the lower black-grey core and follow each coloured band upward. Notice where yellow narrows, where blue crosses into green and where a pink seam enters the central structure. Then shift attention to the outer pale forms. Their apparent symmetry dissolves as their widths, curves and temperatures diverge. Move back far enough to take in the bodily scale.

The canvas may now resemble a single opening or upright figure. Return close and that unity breaks into painted intervals. Neither distance is authoritative; the work is constructed to change as the relation between viewer, surface and imagined depth changes. Finally, hold the competing records beside the image. “Grey Lines” describes formal relations.

“Wedding” introduces a personal history. The dates 1923 and 1925 pull interpretation before and after a marriage, while the range 1923–1925 refuses false resolution. The painting remains most exact where it is least reducible: a disciplined arrangement that lets nature, body, feeling and colour meet without collapsing into one name.[1][3][8]

Discussion

Which piece of evidence most changes the way you read Grey Line with Black, Blue and Yellow?

Reader Insights

Close Looking

Which visible detail most changes your reading of Grey Line with Black, Blue and Yellow?

Context

How do medium, setting and documented history shape the encounter?

Open Question

What remains uncertain when documented fact is separated from interpretation?

Join the Conversation

Share your reading of Grey Line with Black, Blue and Yellow below.

References

  1. Access O’Keeffe, “Grey Lines with Black, Blue and Yellow, 1923–1925,” CR 447, Georgia O’Keeffe Museum, accessed 20 September 2026, View Source.
  2. Museum of Fine Arts, Houston, “Grey Lines with Black, Blue and Yellow,” accession 77.331, accessed 20 September 2026, View Source.
  3. Whitney Museum of American Art, “Georgia O’Keeffe, Grey Lines with Black, Blue, and Yellow, 1923–1925,” audio-guide transcript, 17 September 2009, View Source.
  4. Metropolitan Museum of Art, “Grey Line with Lavender and Yellow,” 1987.377.1, accessed 20 September 2026, View Source.
  5. Metropolitan Museum of Art, Recent Acquisitions: A Selection 1987–1988, entry by Lisa M. Messinger, p. 60, View Source.
  6. Whitney Museum of American Art, “Georgia O’Keeffe: Abstraction,” 17 September 2009–17 January 2010, View Source.
  7. Whitney Museum of American Art, Georgia O’Keeffe: Abstraction audio guide, 2009, View Source.
  8. Access O’Keeffe, “In Her Words,” Georgia O’Keeffe Museum, accessed 20 September 2026, View Source.
  9. Georgia O’Keeffe Museum, “Timeline,” accessed 20 September 2026, View Source.
  10. Lisa M. Messinger, Georgia O’Keeffe, Metropolitan Museum of Art Bulletin 42, no. 2 (Autumn 1984), View Source.
  11. National Gallery of Art, The Inquiring Eye: Early Modernism, teaching packet, View Source.
  12. Museum of Modern Art, “Georgia O’Keeffe,” 14 May–25 August 1946, View Source.
  13. Museum of Modern Art, “Georgia O’Keeffe: Retrospective Exhibition,” press release, 14 May 1946, View Source.
  14. Seattle Art Museum, “Georgia O’Keeffe: Abstract Variations,” 5 March–7 September 2020, View Source.
  15. Seattle Art Museum, Georgia O’Keeffe: Abstract Variations, catalogue description, 2020, View Source.
  16. Tate, “O’Keeffe: Grey Lines with Black, Blue and Yellow,” exhibition print record, accessed 20 September 2026, View Source.
  17. Smithsonian Institution, “Georgia O’Keeffe and Ansel Adams: Natural Affinities,” 26 September 2008–4 January 2009, View Source.
  18. Phillips Collection archives, “Two Lives: Georgia O’Keeffe and Alfred Stieglitz, A Conversation in Paintings and Photographs,” exhibition records, View Source.
  19. Museo Nacional Thyssen-Bornemisza, “El taller de Georgia O’Keeffe,” 2021, View Source.
  20. Museo Nacional Thyssen-Bornemisza, “Abstraction. Blind I,” accessed 20 September 2026, View Source.
  21. Centre Pompidou, “Georgia O’Keeffe,” exhibition record, 8 September–6 December 2021, View Source.
  22. Fondation Beyeler, Georgia O’Keeffe press kit, 2022, View Source.
  23. Marc Walton et al., “The influence of commercial primed canvases in the manifestation of metal soaps protrusions in Georgia O’Keeffe’s oil paintings,” Heritage Science 8 (2020), View Source.
  24. Georgia O’Keeffe Museum, “Conservation and Technical Documentation,” accessed 20 September 2026, View Source.
  25. Beinecke Rare Book and Manuscript Library, “My Faraway One,” 31 May 2011, View Source.
  26. Library of Congress, “About this Collection: Georgia O’Keeffe and Alfred Stieglitz Correspondence,” accessed 20 September 2026, View Source.
  27. Access O’Keeffe, “Information for Researchers,” Georgia O’Keeffe Museum, accessed 20 September 2026, View Source.
  28. Tate, Georgia O’Keeffe: Selected List of Works, 2016, View Source.
  29. Access O’Keeffe, “Alfred Stieglitz Presents One Hundred Pictures: Oils, Water-colors, Pastels, Drawings, by Georgia O’Keeffe, American,” Anderson Galleries, 29 January–10 February 1923, View Source.