Columbia subject headings:
Harvard subject headings:
Anti-Nazi movement--Germany--Biography
Germany--History--20th century.
Lehndorff, Gottliebe von, 1913-1993.
Lehndorff, Heinrich von, 1909-1944.
Princeton subject headings:
Hitler, Adolf, 1889-1945--Assassination attempts.
Lehndorff, Gottliebe von, 1913-1993.
Lehndorff, Heinrich von, 1909-1944.