Albers / Werner Spies.- Stuttgart : Gerd Hatje, c1970.- 79 p. : ill. ; 21x23 cm.

Robert Longo : [published on the occasion of the exhibition Robert Longo at the Museum of Modern and Contemporary Art of Nice, 27 June - 20 December 2009] / [authors: Werner Spies ...].- New York : Skira Rizzoli, 2010.- 175 p. : ill. ; 31 cm