Columbia subject headings:
Harvard subject headings:
Elser, Johann Georg, 1903-1945.
Hitler, Adolf, 1889-1945--Assassination attempts.
Princeton subject headings:
Anti-Nazi movement--Germany--Biography.
Elser, Johann Georg, 1903-1945.
Germany--History--1933-1945.
Hitler, Adolf, 1889-1945--Assassination attempt, 1939 (November 8)