Columbia subject headings:
Germany (West)--Politics and government.
Hitler, Adolf, 1889-1945--Assassination attempts.
Physics--Philosophy.
Religion and science--History--20th century.
Harvard subject headings:
Germany (West)--Politics and government.
Hitler, Adolf, 1889-1945--Assassination attempt, 1944 (July 20)
Physics--Philosophy
Religion and science--1946-
Princeton subject headings: