Columbia subject headings:
Germany. Treaties, etc. 1939 Aug. 23--Congresses.
World War, 1939-1945--Diplomatic history--Congresses.
World War, 1939-1945--Poland--Congresses.
Harvard subject headings:
Germany--Foreign relations--Soviet Union--Congresses.
Germany. Treaties, etc. 1939 August 23--Congresses.
Soviet Union--Foreign relations--1917-1945--Congresses.
Soviet Union--Foreign relations--Germany--Congresses.
World War, 1939-1945--Diplomatic history--Congresses.
World War, 1939-1945--Poland--Congresses.
Princeton subject headings: