by Alfred Stieglitz, on mount, upper right verso, in graphite, circled: A1; lower left verso: A4 / A3
by Georgia O'Keeffe, on mount, lower left verso, in graphite: 7C
by later hand, on mount, lower left verso, in graphite: 2[?]
Georgia O'Keeffe; gift to NGA, 1949.
- Photographs from the Collection, National Gallery of Art, Washington, 1999.
- Smith, Joel. "How Stieglitz Came to Photograph Cityscapes." History of Photography 20, no. 4 (Winter 1996): p. 327.