Stieglitz, Alfred, ed. Camera Work: A Photographic Quarterly 44 (October 1913). p. 7.
Greenough, Sarah. Alfred Stieglitz: The Key Set. Vol. 2. Washington, D.C.: National Gallery of Art, Washington D.C., 2002. no. 351.
In the 1920s, J.B. Neumann founded the New Art Circle, a 57th Street gallery, and arranged with Stieglitz to handle some of his gravures.
This view looks south from a stoop on the west side of Madison Avenue toward the towers of Madison Square Garden (left) and the Metropolitan Life Building (right). (Greenough, Key Set)