| The History of the German Resistance, 1933-1945 | 1974 |
| Hitler’s Personal Security: Protecting the Führer, 1921-1945 | 1975 |
| German Resistance to Hitler | 1988 |
| Stauffenberg: A Family History, 1905-1944 | 1995 |
| Carl Goerdeler and the Jewish Question, 1933-1942 | 2011 |
| Behind Valkyrie: German Resistance to Hitler, Documents | 2011 |
