Columbia subject headings:
Conspiracies--Germany.
Generals--Germany--Biography.
Germany--History--1933-1945.
Germany. Heer--Political activity.
Oster, Hans.
World War, 1939-1945--Germany.
Harvard subject headings:
Conspiracies--Germany.
Generals--Germany--Biography
Germany--History--1933-1945.
Germany. Heer--Political activity.
Oster, Hans.
World War, 1939-1945--Germany.
Princeton subject headings:
Anti-Nazi movement--Biography.
Hitler, Adolf, 1889-1945--Assassination attempts.
Oster, Hans.