Columbia subject headings:
Czechoslovakia--Politics and government.
Political parties--Czechoslovakia--History--20th century.
Socialist parties--Czechoslovakia--History--20th century.
Harvard subject headings:
Czechoslovakia--Politics and government
Political parties--Czechoslovakia.
Československá strana nʹarodnʹe socialistická--History.
Princeton subject headings:
Czechoslovakia--History.
Czechoslovakia--Politics and government.