Columbia subject headings:
Czechoslovakia--Foreign relations--Soviet Union--Congresses.
Czechoslovakia--History--Coup d'état, 1948--Congresses.
Masaryk, T. G. (Tomáš Garrigue), 1850-1937--Congresses.
Soviet Union--Foreign relations--Czechoslovakia--Congresses.
Harvard subject headings:
Czechoslovakia--Foreign relations--Soviet Union--Congresses.
Czechoslovakia--History--Coup d'état, 1948--Congresses.
Masaryk, T. G. (Tomáš Garrigue), 1850-1937--Congresses.
Soviet Union--Foreign relations--Czechoslovakia--Congresses.
Princeton subject headings: