Columbia subject headings:
Czechoslovakia--Foreign relations--Germany.
Europe--Politics and government--1918-1945.
Germany--Foreign relations--Czechoslovakia.
Harvard subject headings:
Czechoslovakia--History--1918-1938.
Czechoslovakia--Politics and government--1918-1938.
National socialism.
Nationalsozialistische Deutsche Arbeiter-Partei.
World War, 1939-1945--Causes.
Princeton subject headings: