Hendricks, G. (1972). Albert Bierstadt: 1830 - 1902 / Gordon Hendricks. Knoedler.
Lua i Stíl Chicago (17ú heag.)Hendricks, Gordon. Albert Bierstadt: 1830 - 1902 / Gordon Hendricks. New York: Knoedler, 1972.
Lua MLA (8ú heag.)Hendricks, Gordon. Albert Bierstadt: 1830 - 1902 / Gordon Hendricks. Knoedler, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.