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Sarah Greenough, “Alfred Stieglitz/Equivalent 27A/1933,” Alfred Stieglitz Key Set, NGA Online Editions, (accessed September 30, 2023).

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Key Set Entry

Related Key Set Photographs

  • Alfred Stieglitz
    Equivalent 27B
    gelatin silver print
    Key Set Number 1513
    same negative
  • Alfred Stieglitz
    Equivalent 27C
    gelatin silver print
    Key Set Number 1514
    same negative


A reviewer for Stieglitz’s 1934 exhibition identified this photograph and Key Set numbers 1513 and 1514: “Three ‘Equivalents’ (cloud photographs), done in 1933, are as many prints from one negative, yet each is found to possess an altogether distinct orchestration of tone values. They are like separate readings from a page of music; readings in which so much depends upon the interpretation of the individual musician or conductor” (see Edward Alden Jewell, “Stieglitz in Retrospect,” The New York Times, 16 December 1934, section 2, 9).

Inscriptions on the Gallery’s prints and a print of Key Set number 1514, in the collection of the Metropolitan Museum of Art, indicate that these were part of a series “27.” See also Dorothy Norman, Alfred Stieglitz: An American Seer (1960), pl. 77, and the Stieglitz Memorial Portfolio (1947).

Other Collections

A print corresponding with this photograph can also be found in the following collection(s):

Yale University Art Gallery, New Haven, 2018.84.16

Lifetime Exhibitions

A print from the same negative—perhaps a photograph from the Gallery’s collection—appeared in the following exhibition(s) during Alfred Stieglitz’s lifetime:

1934, New York (nos. 41–43, as Equivalents A, B, C, 1933)


by Alfred Stieglitz, on mount, center verso, in graphite: 27

by Georgia O'Keeffe, on mount, lower left verso, in graphite: 25D


Georgia O'Keeffe; gift to NGA, 1949.

Associated Names

O'Keeffe, Georgia

Exhibition History

Photographs by Alfred Stieglitz, National Gallery of Art, Washington, DC, March 16–April 27, 1958
Alfred Stieglitz: The Lake George Years, Art Gallery of New South Wales, Sydney, 2010


Greenough, Sarah. Alfred Stieglitz: The Key Set: The Alfred Stieglitz Collection of Photographs. Washington, 2002: vol. 2, cat. 1512.
Annear, Judy, ed. Alfred Stieglitz: The Lake George Years. Exh. cat. Art Gallery of New South Wales, Sydney, 2010.

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