Columbia subject headings:
Anti-Nazi movement--Germany--Biography.
Germany--History--1933-1945.
Hitler, Adolf, 1889-1945--Assassination attempts.
Harvard subject headings:
Anti-Nazi movement--Germany--Biography
Germany--History--1933-1945.
Hitler, Adolf, 1889-1945--Assassination attempts.
Princeton subject headings:
Anti-Nazi movement--Germany--Biography.
Anti-Nazi movement--Germany.
Germany--Politics and government--1933-1945.
Treason--Germany.