"Adolf Hitler", ISBN 0-385-42053-6* Oliver Halmburger, Timothy W. Ryback, Florian M. Beierl: "Hitler's Family — In the Shadow of the Dictator", Loopfilm / ZDF Enterprises, 2006.
"Adolf Hitler", ISBN 0-385-42053-6* Oliver Halmburger, Timothy W. Ryback, Florian M. Beierl: "Hitler’s Family — In the Shadow of the Dictator", Loopfilm / ZDF Enterprises, 2006.