Otto Fenn, “Andy Warhol Covering His Face” (c. 1952), Fenn’s Studio, DeSalvo, Donna, Andy Warhol: From A to B and Back Again. Illustrated edition ed. New York Whitney Museum of Art 2018, p 122-123
Photography Otto Fenn, Provenance: The Estate of Andy Warhol (stamped), Authenticated by the Andy Warhol Foundation for the Visual Arts (stamp and archive number on verso)