Columbia subject headings:
Germany--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Germany.
Soviet Union--History--Revolution, 1917-1921--Foreign public opinion, German.
Harvard subject headings:
Communism--Germany--History--20th century
Germany--Foreign relations--Soviet Union.
Germany--Politics and government--1918-1933
Soviet Union--Foreign relations--Germany.
Soviet Union--History--Revolution, 1917-1921--Foreign public opinion, German.
Soviet Union--Politics and government--1917-1936.
Princeton subject headings:
Communism--Germany--History--20th century.
Germany--Foreign relations--Soviet Union.
Germany--Politics and government--1918-1933.
Soviet Union--Foreign relations--Germany.
Soviet Union--History--Revolution, 1917-1921--Foreign public opinion, German.
Soviet Union--Politics and government--1917-1936.