edited and annotated by Rose-Carol Washton Long ; with the assistance of Ida Katherine Rigby ; and contributions by Stephanie Barron, Rosemarie Haag Bletter, and Peter Chametzky ; translations from the German edited by Nancy Roth ; : pbk.. -- University of California Press, 1995. -- (The documents of twentieth century art / general editor, Jack Flam ; founding editor, Robert Motherwell).