Columbia subject headings:
Czechoslovakia--Foreign relations.
Poland--Foreign relations--1918-1945.
World War, 1939-1945--Czechoslovakia.
World War, 1939-1945--Diplomatic history.
World War, 1939-1945--Poland.
Harvard subject headings:
Czechoslovakia--Foreign relations.
Poland--Foreign relations--1918-1945
World War, 1939-1945--Czechoslovakia.
World War, 1939-1945--Diplomatic history.
World War, 1939-1945--Poland.
Princeton subject headings:
Anti-Nazi movement--Europe, Eastern--History.
Czechoslovakia--Foreign relations--Poland--History.
Europe, Eastern--Politics and government--History.
Poland--Foreign relations--Czechoslovakia--History.