Columbia subject headings:
Germany--Foreign relations--1945---Sources.
Germany--Politics and government--1945-1990--Sources.
Harvard subject headings:
Germany--Politics and government--1945-1990--Sources.
National security--Europe--History--20th century.
National security--Europe--Sources.
Princeton subject headings:
Germany--Politics and government--1945-1990--Sources.
National security--Europe--History--20th century.
National security--Europe--Sources.