Greenough, S., & Stieglitz, A. (2002). Alfred Stieglitz: The key set ; the Alfred Stieglitz collection of photographs. Abrams Publ. [u.a.].
Lua i Stíl Chicago (17ú heag.)Greenough, Sarah, agus Alfred Stieglitz. Alfred Stieglitz: The Key Set ; the Alfred Stieglitz Collection of Photographs. Washington, DC: Abrams Publ. [u.a.], 2002.
Lua MLA (8ú heag.)Greenough, Sarah, agus Alfred Stieglitz. Alfred Stieglitz: The Key Set ; the Alfred Stieglitz Collection of Photographs. Abrams Publ. [u.a.], 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.