Columbia subject headings:
Czechoslovakia--Relations--Germany (East)
Czechoslovakia--Relations--Germany (West)
Germany (East)--Relations--Czechoslovakia.
Germany (West)--Relations--Czechoslovakia.
Harvard subject headings:
Czechoslovakia--History--1945-1992--Congresses.
Czechoslovakia--Relations--Germany (East)--Congresses.
Czechoslovakia--Relations--Germany (West)--Congresses.
Germany (East)--History--Congresses.
Germany (East)--Relations--Czechoslovakia--Congresses.
Germany (West)--History--Congresses.
Germany (West)--Relations--Czechoslovakia--Congresses.
Princeton subject headings:
Czechoslovakia--Relations--Germany (East).
Czechoslovakia--Relations--Germany (West).
Germany (East)--Relations--Czechoslovakia.
Germany (West)--Relations--Czechoslovakia.