The Metropolitan Museum of Art. "The Collection of Alfred Stieglitz," May 18, 1978–July 16, 1978.
Naef, Weston J. The Collection of Alfred Stieglitz: Fifty Pioneers of Modern Photography. Studio Book. 1st ed. New York: The Metropolitan Museum of Art, 1978. no. 554.
Versions of this triptych exist in multiple public collections, in a variety of mediums:
Harvard Art Museums, photogravure (2006.122)
Library of Congress, platinum print (PH - White (C.), no. 3 (A size) [P&P])
Museum of Modern Art, New York, platinum prints (568.1967 and 603.1971.a-c)