Columbia subject headings:
Harvard subject headings:
Anti-Nazi movement--Germany
Anti-Nazi movement--Germany--Biography
Hitler, Adolf, 1889-1945--Assassination attempt, 1944 (July 20)
Hofacker, Alfred von.
Hofacker, Cäsar von, 1896-1944.
Princeton subject headings:
Anti-Nazi movement--Germany--Biography.
Hitler, Adolf, 1889-1945--Assassination attempts.
Hofacker, Alfred von.
Hofacker, Cäsar von, 1896-1944.