Columbia subject headings:
Anti-communist movements--Czechoslovakia--Congresses.
Czechoslovakia--History--1968-1989--Congresses.
Czechoslovakia--History--Intervention, 1968--Congresses.
Czechoslovakia--Politics and government--1968-1989--Congresses.
Nineteen sixty-eight, A.D.--Congresses.
Harvard subject headings:
Anti-communist movements--Czechoslovakia--Congresses.
Czechoslovakia--History--1968-1989--Congresses.
Czechoslovakia--History--Intervention, 1968--Congresses.
Czechoslovakia--Politics and government--1968-1989--Congresses.
Nineteen sixty-eight, A.D.--Congresses.
Princeton subject headings:
Anti-communist movements--Czechoslovakia--Congresses.
Czechoslovakia--History--1968-1989--Congresses.
Czechoslovakia--History--Intervention, 1968--Congresses.
Czechoslovakia--Politics and government--1968-1989--Congresses.
Nineteen sixty-eight, A.D.--Congresses.