Photograph of Clouds photographed from an aircraft window.
Clouds photographed from an aircraft window. Pinakpani. CC BY-SA 4.0. 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 Sky Above Clouds IV turns an aeroplane view into an environment. White cloud forms spread across a canvas twenty-four feet wide, diminishing towards a straight pink horizon. Blue intervals deepen towards the foreground, while the sky above the horizon fades from rose to pale blue. No wing, window or aircraft appears. The modern machine that made this view possible has vanished, leaving the spectator suspended between atmosphere and paint.

Completed in 1965, when O’Keeffe was seventy-seven, the work was the largest painting of her career. It culminated years of experiments with clouds seen from above, yet its calm field was produced through strenuous labour in an unheated Ghost Ranch garage. The painting’s history joins air travel, serial abstraction, corporate architecture, improvised studio practice and the physical limits of museum buildings.[1][2][4]

At a Glance

  • ArtistGeorgia O’Keeffe
  • ArtworkSky Above Clouds IV
  • Artistic contextAmerican modernism

Contents

  1. Object identity
  2. A panorama without earth
  3. Repetition, depth and scale
  4. The aeroplane view
  5. The cloud sequence
  6. Sky, Stieglitz and scientific caution
  7. Making a monumental canvas
  8. The Ghost Ranch garage and unrealised commission
  9. Material facts and public debut
  10. The 1970 retrospective and a blocked doorway
  11. Acquisition and centennial authority
  12. Chicago display and icon status
  13. Abstraction, late style and afterlife
  14. Unresolved questions and significance

Object identity

  • Artist: Georgia O’Keeffe (1887–1986)
  • Title: Sky Above Clouds IV
  • Date: 1965
  • Medium: oil on canvas
  • Dimensions: 96 × 288 inches (243.8 × 731.5 cm)
  • Catalogue raisonné: CR 1498
  • Collection: Art Institute of Chicago
  • Accession: 1983.821
  • Credit: Purchased with funds provided by the Paul and Gabriella Rosenbaum Foundation; gift of Georgia O’Keeffe[1][2]

The Abiquiú Notebooks support the preferred title. Downtown Gallery records use Above the Clouds IV, while the Whitney Archive recorded Sky Above Clouds, IV in 1969. The gallery dated the canvas 1966, but the notebooks gave 1965. Doris Bry confirmed the title and 1965 date in 1970, and the painting’s inclusion in a spring 1966 exhibition establishes that it was finished by then.[1]

A panorama without earth

The canvas has the proportions of a panorama, but it excludes the terrestrial world that panoramas traditionally survey. Across the lower two-thirds, rounded white units float within blue. A narrow pink band forms the horizon, and cool sky rises above it. The absence of ground is decisive. Height is inferred from recession and from the title rather than demonstrated through a view of fields, roads or mountains.

The spectator looks across a cloud layer, not down at a recognisable map. That exclusion makes the picture both specific and open. It records a visual condition made familiar by aviation while withholding the journey’s origin, destination and geography.[2][3] A straight horizontal boundary runs nearly from edge to edge. Below it, the cloud field becomes denser and finer; above it, colour changes gradually through pink, white and pale blue.

The line stabilises an otherwise difficult position. Without it, the white forms might read simply as shapes on a blue ground. With it, their shrinking scale becomes distance and the viewer acquires an orientation in space. Yet the horizon is also a band of paint. Its salmon colour is too sustained and even to function only as atmospheric notation.

O’Keeffe lets spatial illusion and abstract division occupy the same passage. The clouds are not outlined objects placed on top of a completed sky. White forms and blue gaps build the field together. Near the lower edge, deep blue channels wind between broad forms. Farther back, the channels narrow as the cloud units multiply.

This figure-ground exchange gives the picture much of its energy. Attention can settle on white islands, then reverse so that blue becomes a branching network. Neither reading remains permanently dominant. The 1970 retrospective catalogue described an immense white assemblage through which deep blue atmosphere remains visible. That wording recognises that the air between forms is as active as the forms themselves.[5]

Blue is most saturated along the lower edge, where it pushes between the nearest white forms. As the rows recede, that colour loses intensity until the distant field becomes pale and compressed. The shift does work normally assigned to shading. O’Keeffe gives the cloud units little modelling; depth emerges through their changing size and the atmosphere around them. The blue field is therefore neither a flat background nor a literal sea, although the white shapes can resemble islands.

Above the horizon the colour behaves differently. Blue does not deepen but dissolves through a broad luminous zone. The same hue can indicate the space below the viewer and the open atmosphere ahead because its relationships change across the dividing line. The salmon band near the horizon is narrow compared with the cloud field, yet it extends across almost the full twenty-four feet.

Its warmth separates two cool blue zones and holds the eye at the point of greatest recession. Pink also prevents the scene from becoming a simple white-and-blue diagram. It suggests changing light without supplying a visible sun, and it introduces a bodily warmth into an otherwise remote aerial space. Nothing in the public record fixes dawn, dusk or a particular optical event. The colour should be described as an atmospheric effect and compositional interval rather than assigned a clock time.

Repetition, depth and scale

At first glance the clouds appear regular, like tiles or cells in a grid. Close inspection shows difference. Some are long and low; others are nearly square. Edges bulge, flatten or taper, and the blue distances between them vary. The pattern therefore depends on family resemblance rather than mechanical duplication.

It produces order without denying touch. A perfectly repeated module would make the field static; irregularity allows it to pulse and drift. This balance later enabled composer Elena Ruehr to understand the painting through a mutable musical ostinato: a recurring structure capable of expansion and change. Her response is evidence of the work’s afterlife, not a key to O’Keeffe’s original intention.[21] The foreground clouds are large enough to be encountered separately.

Towards the horizon they diminish, crowd together and finally become an almost continuous pale texture. Conventional linear perspective sends orthogonals towards a vanishing point. O’Keeffe instead constructs recession by changing the scale and frequency of repeated units. There is no single point at which the rows converge. The eye travels through accumulation.

Distance becomes less a corridor than an approaching limit: more clouds can always be imagined beyond those that remain visible. At twenty-four feet wide, the painting cannot be taken in like a page. A nearby viewer must scan from side to side or step back to gather the full horizon. Looking becomes bodily movement. Its three-to-one proportion delays closure.

The left and right edges feel like cuts through a continuing field rather than natural endpoints. The image seems capable of extending beyond the wall. Scale also changes the status of the cloud shapes. In reproduction they can look decorative and small. In front of the canvas, the nearest forms approach the dimensions of objects or bodies, and the intervals become navigable lanes.

The surface covers 192 square feet before any allowance for edges or mounting. That arithmetic is not a measure of artistic value, but it makes the physical undertaking intelligible. Every passage required O’Keeffe to position herself in relation to a surface wider than many rooms. Viewing reverses that labour. The artist moved along the canvas to construct continuity; the museum visitor moves along it to recover relationships that cannot be seen at equal clarity from one position.

The aeroplane view

O’Keeffe began travelling internationally in the 1950s, after decades in which her movements had remained largely within North America. Long flights supplied a new orientation: clouds could lie below the traveller as a surface, while the horizon rose ahead.[16] She recalled one return to New Mexico when the sky below appeared solid white and secure enough to walk upon. Beyond it lay clear light-blue sky.

The experience made her impatient to paint it.[3] The statement identifies wonder in a perceptual reversal. Vapour resembles ground; air seems habitable; the ordinary distinction between above and below becomes unstable. The viewpoint depends on twentieth-century passenger flight, but O’Keeffe omitted every sign of the aircraft. There is no window edge, wing, engine or reflection.

That omission removes the anecdotal evidence of travel while retaining its transformed vision. The spectator occupies a position that would have been rare before aviation, yet the painting does not celebrate a particular airline or machine. Modernity enters as a way of seeing. The technological frame is absorbed into the pictorial one, leaving an apparently timeless sky that is historically dependent on modern transport.

The cloud sequence

National Gallery research identifies seven related cloud paintings rather than treating the four numbered canvases as the entire investigation. The earliest works organise an unbroken white bank beneath narrow atmospheric bands.[3] Sky Above the Flat White Cloud II, CR 1460, reduces the scene to white, yellow and blue across a thirty-by-forty-inch canvas. Its broad cloud cover reads almost as a single geometric field.[9]

O’Keeffe then turned to a different flight experience: “little oval white clouds” distributed across blue. Separate units replaced the continuous bank, creating the motif that would eventually fill CR 1498.[3] Above the Clouds I, dated 1962–63, measures about three by four feet. It establishes the main grammar of the later painting: irregular white islands, blue intervals, a pink horizon and pale upper sky.[10] At that size the composition can still be held within a single view.

The clouds are fewer, and the relationship between one unit and the next is easily followed. The first numbered work was therefore not merely a small cartoon for the largest. It solved a distinct problem of scale while making expansion imaginable. Sky Above Clouds II and III, both dated 1963, expanded to forty-eight by eighty-four inches. No. II was documented hanging in O’Keeffe’s Abiquiú living room, evidence that the motif functioned at domestic architectural scale before it became monumental.[11]

No. III shares the same dimensions but has its own title history and exhibition life. Its later international circulation contrasts sharply with the immobility of No. IV.[12] Across the sequence, growth is not simple enlargement. Increasing dimensions allow more units, longer rhythms and a stronger conflict between independent cloud and total field. Clouds 5/Yellow Horizon and Clouds, dated 1963–64, complicates any neat four-stage account.

It returns to a broad cloud bank and introduces a diagonal opening or route through it. O’Keeffe’s notebooks also called it Above Clouds Again.[13] Numbering, titles and catalogue chronology do not form one perfectly consistent system. The National Gallery’s seven-work reconstruction is more useful than forcing every object into a single Roman-numeral progression.[3] No. IV is the culmination because it returns to the scattered motif at unprecedented size, not because every earlier experiment moved inevitably towards it.

The National Gallery’s seven-work count defines the concentrated investigation ending in 1965; it should not imply that O’Keeffe abandoned aerial atmosphere thereafter. Sky with Moon returned to a continuous white bank in 1966, while The Beyond reduced a later horizon to black, white and blue in 1972.[26][27] In 1976–77 she made Sky Above Clouds/Yellow Horizon and Clouds with Belarmino Lopez’s assistance.[28] No. IV is therefore the climax of the oval-cloud cycle and the initial sequence, rather than her final cloud-related painting.

Sky, Stieglitz and scientific caution

Alfred Stieglitz had photographed clouds in the 1920s in the works known as Equivalents. He described them as direct revelations of an inner world and as documents of enduring relations.[3][19] O’Keeffe knew those photographs intimately and later managed his estate. A relationship between the two bodies of work is therefore historically grounded. Both use clouds to move between visible nature and abstraction.

The differences are equally important. Stieglitz’s photographs are tonal, often horizonless and bounded by the camera’s upward view. O’Keeffe’s late canvas is coloured, panoramic and made from an airborne position. She revisited a shared subject under altered technological and personal conditions. The foreground forms can resemble rounded paving stones, ice floes, islands or cells.

Such analogies arise because O’Keeffe suppresses the shaded bases and swelling tops associated with conventional cloud depiction. The forms remain clouds through title, sequence and recession, but their simplification allows them to approach other material categories. The sky can feel walkable because its vapour has acquired the visual weight of a patterned surface. This is not a failure of realism.

It translates the artist’s recorded fantasy of stepping onto a secure white field into a structure the eye can almost treat as ground.[3] The rows invite comparison with “cloud streets”. The US National Weather Service defines these as rows of cumulus or related clouds aligned parallel to low-level airflow, and NOAA satellite research explains their formation through alternating zones of rising and sinking air.[17][18]

That science helps name an observable aerial pattern. It does not identify the exact clouds O’Keeffe saw. The painting supplies no flight record, altitude, weather chart or wind direction. Its rows also cross and loosen rather than behaving as a meteorological diagram. “Cloud streets” is best used as a visual comparison, not as a retrospective weather diagnosis.

Making a monumental canvas

The finished painting seems serene: level horizon, soft colour and evenly distributed forms. Its making was physically intense. O’Keeffe described working from six in the morning until eight or nine at night and cleaning her brushes only after the day’s sustained effort.[2] She worked without visitors and raced the approach of cold because the garage had no heat. The enormous canvas demanded repeated climbing, reaching and movement along the wall.[2][4]

Nancy J. Scott’s archive-based account supplies further physical detail. O’Keeffe primed the rough support and worked with a local shepherd identified as Frank to devise reinforced bars that would keep the extraordinary width taut. To reach the whole field, she moved between a platform, a table, a chair and the floor.[24] These arrangements make the painting’s regularity more striking: its continuous horizon was coordinated from positions that never offered one comfortable command of the surface.

Calm should therefore describe the image’s effect, not the conditions of production. The smooth field is the result of disciplined labour rather than effortless transcendence. Photographs in the Georgia O’Keeffe Museum archive place the cloud project back inside working rooms. Todd Webb photographed O’Keeffe with Sky Above Clouds II around 1965: the smaller canvas rises behind her in the Abiquiú studio while a table of materials occupies the foreground.[14]

The archive also catalogues an image of O’Keeffe standing before the vast No. IV in the Ghost Ranch garage. The photograph confirms the disparity between body and canvas and the garage’s role as working architecture.[15] These images do more than illustrate a biography. They restore scale that a cropped reproduction suppresses and show that the series moved between domestic display, studio experiment and improvised mural-sized production. They cannot, by themselves, establish the order of paint application or identify materials.

The Ghost Ranch garage and unrealised commission

No room at O’Keeffe’s Abiquiú house could accommodate a canvas eight feet high and twenty-four feet wide. She returned to the older Ghost Ranch property and used its garage as an improvised studio.[4] The National Register documentation records that assistants helped stretch the canvas across the east wall. A ladder provided access to the upper passages, and a retractable garage door improved illumination.[4] The building was not a neutral container.

Its width set a practical maximum; its seasonal temperature imposed a deadline; its light required alteration. The painting’s dimensions belong to the history of a particular workspace. The scale also has an architectural prehistory. In June 1964 O’Keeffe attended the opening of Deere & Company’s new administrative centre in Moline, designed by Eero Saarinen’s office, at the invitation of designer Alexander Girard.[8] Girard proposed that a large O’Keeffe cloud painting might suit the executive dining room.

He wrote to company president William Hewitt about a full-scale charcoal conception whose effect, he believed, had to be seen rather than merely described.[8] O’Keeffe later expressed uncertainty, and the project did not proceed. The finished canvas should not be called a rejected or completed Deere commission. Archival evidence instead shows that imagining art for a very long wall helped make monumental scale concrete. The proposed dining room joined Saarinen’s architecture, Girard’s interiors and Hideo Sasaki’s landscape around long windows facing water.

A cloud panorama would have mediated between designed interior and external horizon.[8] When that destination disappeared, O’Keeffe retained the formal ambition without the corporate function. The painting entered public exhibition and eventually a museum rather than an executive room. Its meaning changed with that relocation. What might have framed private dining became an artwork encountered by a broad public, and a site-specific possibility became a portable canvas—although only barely portable.

Material facts and public debut

The authoritative record identifies oil on canvas. At the catalogue raisonné examination, the stretcher, verso and backing were inaccessible.[1] No public object-specific report located for this first pass establishes the canvas weave, ground, pigments, binding media, varnish, joins, stretcher construction, lining, treatments or present condition. Technical findings published for the National Gallery’s smaller Sky with Flat White Cloud belong to that object and cannot be transferred to CR 1498.[3] The documented production conditions support claims about scale, workspace, light and labour.

They do not substitute for conservation examination. After completion, the working assembly was taken apart and the canvas rolled onto a drum for transport by truck from New Mexico to Texas.[24] That account resolves the broad method of the first journey without establishing the drum’s construction, handling team or environmental controls. At the Amon Carter Museum, O’Keeffe was photographed in her apron touching up an edge, showing that final attention continued after transport and restretching rather than ending irrevocably in the garage.[24]

The painting debuted in Georgia O’Keeffe: An Exhibition of the Work of the Artist from 1915 to 1966, organised by Mitchell A. Wilder at the Amon Carter Museum in Fort Worth from 1 March to 1 May 1966, before travelling to the Museum of Fine Arts, Houston.[1][6] It was then shown at Rolf Nelson Gallery in Los Angeles in late 1966 or early 1967.[2] Early records used Above the Clouds IV, preserving the title variation. The work entered public life immediately as a late-career achievement rather than waiting for posthumous rediscovery.

Photograph of Equivalent, Set C2 No. 1 by Alfred Stieglitz.
Equivalent, Set C2 No. 1 by Alfred Stieglitz. Alfred Stieglitz. CC0. Source: Wikimedia Commons. Image source; rights terms.

The 1970 retrospective and a blocked doorway

The Whitney Museum’s 1970 retrospective assembled 121 paintings, watercolours and drawings and framed O’Keeffe’s career from early abstraction to the recent cloud works.[5][22] The catalogue treated No. IV as the conclusion of a four-work subset: rounded clouds grow more numerous and precisely shaped as the canvases expand, until the forms diminish towards the earth’s curvature beneath blue and rose atmosphere.[5] That interpretation remains valuable as contemporary reception. Later catalogue work complicates its numbering by recognising a wider seven-painting investigation. The retrospective travelled from the Whitney to Chicago and was scheduled to continue to the San Francisco Museum of Art.

No. IV appeared in New York and Chicago but could not pass through the San Francisco museum’s doors.[2] This episode makes architecture an active agent in exhibition history. The canvas’s size did not merely affect visual experience; it determined where the work could physically exist. The obstruction also reverses an ordinary assumption about museums. Instead of a building effortlessly containing art, an artwork exceeded the building’s access system.

Acquisition and centennial authority

After the Chicago showing, the painting remained on loan to the Art Institute from 1971. In 1983 O’Keeffe partially sold and partially gave it to the museum, with purchase funds supplied by the Paul and Gabriella Rosenbaum Foundation.[1][2] The mixed transaction matters. The credit line records both philanthropy and the artist’s gift rather than reducing acquisition to a single donor narrative.

The loan was already functioning as part of the museum’s public programme well before acquisition. In summer 1973 the Art Institute’s Lecturer’s Choice schedule selected Sky Above Clouds IV for a fifteen-minute gallery talk on 27 August, alongside established collection works by Seurat, Picasso, Monet, Nevelson and others.[25] This modest administrative record shows how quickly the immense loan was absorbed into everyday interpretation: it was treated as an object for repeat teaching, not merely residue from the 1971 retrospective.

The painting has not left the Art Institute building since entering the collection. Its immobility follows from scale as well as its status as a collection icon.[7] The 1987–89 centennial retrospective toured Washington, Chicago, Dallas, New York and Los Angeles, but No. IV appeared only at the National Gallery and Art Institute stops.[1][2]

Again the tour-level exhibition record can mislead unless object-level venue information is checked. The painting belonged to the retrospective conceptually while participating in only two installations. Its restricted movement increased the importance of Chicago as its sustained public setting. Reproduction travelled more easily than the canvas itself.

Chicago display and icon status

The permanent home completes a long institutional relationship. O’Keeffe studied at the School of the Art Institute in 1905–06. The Art Institute organised her first museum retrospective in 1943.[2][20] As executor of Stieglitz’s estate, she later presented the museum with an important group of modernist works, including paintings of her own, and continued adding to the bequest.[2]

No. IV therefore arrived within a history of education, exhibitions, gifts and collection formation. Chicago was more than a convenient building large enough to hold it. The Art Institute identifies the painting in Gallery 249 and includes it among works recommended to visitors with limited time. Museum interpretation calls it one of the collection’s treasured icons and a popular place for photographs.[7][23]

That public familiarity can obscure the strangeness of the work. A museum “must-see” is often encountered quickly, while this canvas rewards lateral walking, changes of distance and attention to variation within apparent repetition. Visitor photography also introduces another scale conversion: a twenty-four-foot painting becomes a phone-sized image or backdrop, renewing the tension between bodily encounter and reproduction.

Abstraction, late style and afterlife

The painting preserves a named subject, a horizon and recession. It is not non-objective. Yet its repeated units, restricted palette and enormous field bring landscape close to serial abstraction. The National Gallery’s account notes that O’Keeffe compared the broad format of an earlier cloud painting with contemporary work such as Kenneth Noland’s.[3] This supports awareness of current abstraction, though it does not prove direct stylistic dependence for No. IV.

Late style here is neither withdrawal nor repetition of an established formula. O’Keeffe used a new viewpoint and unprecedented scale to reopen questions she had pursued since her early abstractions: how visible experience becomes rhythm, colour and interval. Her age is relevant because the documented work demanded sustained physical effort and because museums often frame the canvas as a culminating late achievement. It should not become an explanation by itself.

Being seventy-seven did not determine the palette, pattern or horizon, and “late work” does not mean a simplified summary of earlier success. The painting instead records continued experiment. O’Keeffe enlarged a recently developed motif, changed the relation between individual unit and total field, and accepted production problems that her usual studios could not solve. Institutional interpretations repeatedly describe serenity and limitless space.[3][5] The effect arises partly because the cloud field appears to continue past both side edges and beyond the distant horizon.

Limitlessness, however, is produced by a rigorously limited object. The garage wall fixed the canvas width; the rectangle cuts the field; the horizon divides it; the rows organise it. The painting does not abolish boundaries. It uses boundaries to make continuation imaginable. Elena Ruehr’s orchestral Sky Above Clouds, composed in 1993, responds directly to the Chicago painting.

Ruehr translated its apparent grid into a mutable ostinato and placed sustained melodic layers over that recurring pulse.[21] The comparison clarifies how the visual field behaves through time. Repeated shapes establish expectation, but differences in width, spacing and alignment keep the pattern from locking into a mechanical beat. The orchestral response belongs to reception history. It demonstrates that the painting’s organisation can generate another medium without establishing that O’Keeffe conceived it musically.

Unresolved questions and significance

Public evidence does not yet establish the exact flight or meteorological event behind the oval-cloud motif. The drum transport to Texas is documented in outline, but the detailed handling, rolling, restretching and installation procedures for 1966, 1970–71 and 1987–88 still require archival confirmation. The first pass has not located an object-specific conservation report, full technical imaging, treatment chronology or definitive account of the present stretcher. The exact division between gift and purchase in 1983 also remains to be recovered from acquisition files.

Correspondence may further clarify the Deere proposal, but the surviving published evidence already requires caution: an architectural idea preceded the canvas, while the finished work was not installed at Deere. O’Keeffe made a modern view feel elemental. Passenger flight displaced the earth, serial experiment transformed cloud into unit and interval, and an improvised garage allowed a private observation to assume architectural scale. The picture’s serenity contains its history of exertion.

Its apparent infinity depends on a wall’s exact width. Its mobility as an idea contrasts with the physical canvas that defeated a museum doorway and eventually ceased to travel. Sky Above Clouds IV is both landscape and environment, image and obstacle. It asks the viewer to stand inside a field that began at an aeroplane window but no longer needs the aircraft to keep them aloft.

Discussion

Which piece of evidence most changes the way you read Sky Above Clouds IV?

Reader Insights

Close Looking

Which visible detail most changes your reading of Sky Above Clouds IV?

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 Sky Above Clouds IV below.

References

  1. Access O’Keeffe, “Sky Above Clouds IV, 1965,” CR 1498, accessed 20 September 2026, View Source.
  2. Art Institute of Chicago, “Sky above Clouds IV,” accession 1983.821, collection API record, View Source.
  3. Robert Torchia, “Sky with Flat White Cloud, 1962,” American Paintings, 1900–1945, National Gallery of Art, updated 24 July 2024, View Source.
  4. National Park Service and New Mexico Historic Preservation Division, Georgia O’Keeffe Ghost Ranch House, National Register of Historic Places registration form, View Source.
  5. Lloyd Goodrich and Doris Bry, O’Keeffe, Whitney Museum of American Art and Art Institute of Chicago, 1970, View Source.
  6. Access O’Keeffe, “Georgia O’Keeffe: An Exhibition of the Work of the Artist from 1915 to 1966,” View Source.
  7. Art Institute of Chicago, “What to See in an Hour,” collection-tour sheet, View Source.
  8. Sarah Rovang, “How John Deere and Eero Saarinen Inspired Georgia O’Keeffe’s Largest Painting,” Hyperallergic, 2 April 2020, View Source.
  9. Access O’Keeffe, “Sky Above the Flat White Cloud II, 1960–1964,” CR 1460, View Source.
  10. Access O’Keeffe, “Above the Clouds I, 1962–1963,” CR 1474, View Source.
  11. Access O’Keeffe, “Sky Above Clouds II, 1963,” CR 1478, View Source.
  12. Access O’Keeffe, “Sky Above Clouds III/Above the Clouds III, 1963,” CR 1479, View Source.
  13. Access O’Keeffe, “Clouds 5/Yellow Horizon and Clouds, 1963–1964,” CR 1484, View Source.
  14. Access O’Keeffe, Todd Webb, “Georgia O’Keeffe with Sky Above Clouds II,” ca. 1965, View Source.
  15. Georgia O’Keeffe Museum Archives, “Georgia O’Keeffe Foundation Photographs,” View Source.
  16. Museo Nacional Thyssen-Bornemisza, “O’Keeffe, Georgia,” Spanish artist profile, View Source.
  17. NOAA National Weather Service, “Cloud Streets,” glossary, View Source.
  18. NOAA NESDIS, “Cloud Streets and Gravity Waves in the Mid-Atlantic,” 29 November 2018, View Source.
  19. J. Paul Getty Museum, discussion of Alfred Stieglitz’s Equivalents, The J. Paul Getty Museum Journal 22, View Source.
  20. School of the Art Institute of Chicago, “160 Years of Making…the Canon: SAIC Alums at the Art Institute of Chicago,” View Source.
  21. Dayton Performing Arts Alliance, “Program Note: Ruehr’s ‘Sky Above Clouds’,” 6 January 2025, View Source.
  22. Smithsonian Archives of American Art, 1970 O’Keeffe retrospective press clipping, Dorothy Miller papers, View Source.
  23. Art Institute of Chicago, visitor guide, 2025–26, Gallery 249, View Source.
  24. Nancy J. Scott, Georgia O’Keeffe (London: Reaktion Books, 2015), pp. 184–87, publisher record: View Source.
  25. Art Institute of Chicago, “Lecturer’s Choice,” Bulletin of the Art Institute of Chicago 67, no. 4 (July–August 1973), pp. 10–11, View Source.
  26. Access O’Keeffe, “Sky with Moon, 1966,” CR 1505, View Source.
  27. Access O’Keeffe, “The Beyond, 1972,” CR 1581, View Source.
  28. Access O’Keeffe, “Sky Above Clouds/Yellow Horizon and Clouds, 1976–1977,” CR 1618, View Source.