Ende der Ästhetik [von] O.K. WerckmeisterOtto-Karl Werckmeister, O. K. Werckmeister · First published 1971Open the Tome
Paul Klee, his life and workPaul Klee, Carolyn Lanchner, O.K. Werckmeister, Ann Temkin, Valerio Olgiati, Edelbert Kob, Tibor Joanelly · First published 2001Open the Tome