Columbia subject headings:
Germany--Commerce--Soviet Union--History.
Germany--Foreign economic relations--Soviet Union.
Soviet Union--Commerce--Germany--History.
Soviet Union--Foreign economic relations--Germany.
Harvard subject headings:
Germany--Commerce--Soviet Union--History.
Germany--Foreign economic relations--Soviet Union.
Soviet Union--Commerce--Germany--History.
Soviet Union--Foreign economic relations--Germany.
Princeton subject headings:
Germany--Commerce--Soviet Union--History.
Germany--Foreign economic relations--Soviet Union.
Soviet Union--Commerce--Germany--History.
Soviet Union--Foreign economic relations--Germany.