Columbia subject headings:
Czech Republic--Relations--Germany--Congresses.
Czechoslovakia--Relations--Germany--Congresses.
Europe--Foreign relations--1871-1918--Congresses.
Europe--Foreign relations--1918-1945--Congresses.
Germany--Relations--Czech Republic--Congresses.
Germany--Relations--Czechoslovakia--Congresses.
Germany--Relations--Slovakia--Congresses.
International relations--History--20th century--Congresses.
Slovakia--Relations--Germany--Congresses.
Harvard subject headings:
Czech Republic--Relations--Germany--Congresses.
Czechoslovakia--Relations--Germany--Congresses.
Europe--Foreign relations--1871-1918--Congresses.
Europe--Foreign relations--1918-1945--Congresses.
Germany--Relations--Czech Republic--Congresses.
Germany--Relations--Czechoslovakia--Congresses.
Germany--Relations--Slovakia--Congresses.
International relations--History--20th century--Congresses.
Slovakia--Relations--Germany--Congresses.
Princeton subject headings:
Czech Republic--Relations--Germany--Congresses.
Czechoslovakia--Relations--Germany--Congresses.
Europe--Foreign relations--1871-1918--Congresses.
Europe--Foreign relations--1918-1945--Congresses.
Germany--Relations--Czech Republic--Congresses.
Germany--Relations--Czechoslovakia--Congresses.
Germany--Relations--Slovakia--Congresses.
International relations--History--20th century--Congresses.
Slovakia--Relations--Germany--Congresses.