Author: Koppers, Wilhelm
Publisher:Verlag Ferdinand Berger, Horn-Wien
Copyright:1948
Author: Glasenapp, Helmuth Von
Publisher:Verlag Hand Buhler, Baden-Baden
Copyright:1948
Author: Glasenapp, Helmuth Von
Publisher:Verlag Hans Buhler, Baden
Copyright:1948
Author: Franke, O.
Publisher:Walter De Gruyter & Co., Berlin
Copyright:1948