Columbia subject headings:
Communism--Czechoslovakia--History.
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--History.
Komunistická strana Československa--History.
Harvard subject headings:
Communism--Czechoslovakia--History
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--History.
Komunistická strana Československa--History.
Princeton subject headings:
Communism--Czechoslovakia--History.
Kommunisticheskai︠a︡ Sovetskogo Soi︠u︡za--History.
Komunistická strana Československa--History.