(1949). Zeitgenössische Graphik aus den USA: [Cultural Institutions, Public Affairs Division, Office of the Land Commissioner for Wuerttemberg-Baden]. Cultural Institutions, Public Affairs Division, Office of the Land Commissioner for Wuerttemberg-Baden.
Chicago-referens (17:e uppl.)Zeitgenössische Graphik Aus Den USA: [Cultural Institutions, Public Affairs Division, Office of the Land Commissioner for Wuerttemberg-Baden]. [S.l.]: Cultural Institutions, Public Affairs Division, Office of the Land Commissioner for Wuerttemberg-Baden, 1949.
MLA-referens (8:e uppl.)Zeitgenössische Graphik Aus Den USA: [Cultural Institutions, Public Affairs Division, Office of the Land Commissioner for Wuerttemberg-Baden]. Cultural Institutions, Public Affairs Division, Office of the Land Commissioner for Wuerttemberg-Baden, 1949.