Wingate, E. (2004). David Smith: Related Clues ; Drawings, Paintings & Sculpture 1931 - 1964. Gagosian Gallery.
Lua i Stíl Chicago (17ú heag.)Wingate, Ealan. David Smith: Related Clues ; Drawings, Paintings & Sculpture 1931 - 1964. New York: Gagosian Gallery, 2004.
Lua MLA (8ú heag.)Wingate, Ealan. David Smith: Related Clues ; Drawings, Paintings & Sculpture 1931 - 1964. Gagosian Gallery, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.