Columbia subject headings:
Czechoslovakia--Foreign relations--1945-1992.
Czechoslovakia--Politics and government--1945-1992.
Harvard subject headings:
Czechoslovakia--Foreign relations--1945-1992.
Czechoslovakia--Politics and government--1945-1992.
Princeton subject headings:
Czechoslovakia--Foreign relations--1945-1992.
Czechoslovakia--Politics and government--1945-1992.