Gasser, Manuel & Willy Rotzler (editors) books & textbook
Du. Cultural Monthly. Number 257. July 1962. Marc Chagall: Die Russischen Jahre
Gasser, Manuel & Willy Rotzler (editors) Profusely illustrated
Conzett and Huber /1962T Paperback / 82 Pages
Du Atlantis Kulturelle Monatsschrift ( Marz 1966 )
Gasser, Manuel, Dr. Willy Rotzler and Dr. Martin Hurlimann (Editors)
Conzett & Huber /1966T Paperback
