Columbia subject headings:
Harvard subject headings:
Constitutional law--Soviet Union
Soviet Union--Foreign relations administration.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Foreign relations.
Soviet Union--Politics and government--1917-1936.
Soviet Union--Politics and government.
Princeton subject headings:
Constitutional law--Soviet Union.
Soviet Union--Foreign relations administration.
Soviet Union--Foreign relations.
Soviet Union--Politics and government.