Columbia subject headings:
Czechoslovakia--History--1945-1992.
Czechoslovakia--Politics and government--1989-1992.
Demonstrations--Czech Republic--Prague--History.
Harvard subject headings:
Czechoslovakia--History--1945-1992.
Czechoslovakia--Politics and government--1989-1992.
Historical geography.
Political geography.
Revolutions--Czech Republic--Prague.
Václavské náměstí (Prague, Czech Republic)
Princeton subject headings:
Czechoslovakia--History--1945-1992.
Czechoslovakia--Politics and government--1968-1989.
Historical geography.
Political geography.
Revolutions--Czechoslovakia--Prague.
Václavské náměstí (Prague, Czech Republic)