Columbia subject headings:
Agriculture--Soviet Union--Foreign ownership.
Germany--Relations--Soviet Union.
Investments, Foreign--Soviet Union.
Soviet Union--Relations--Germany.
Harvard subject headings:
Agriculture--Economic aspects--Germany--History--20th century.
Agriculture--Economic aspects--Soviet Union--History.
Concessions--Germany--History--20th century.
Concessions--Soviet Union--History.
Germany--Foreign economic relations--Soviet Union.
Soviet Union--Foreign economic relations--Germany.
Princeton subject headings:
Agriculture--Economic aspects--Germany--History--20th century.
Agriculture--Economic aspects--Soviet Union--History.
Concessions--Germany--History--20th century.
Concessions--Soviet Union--History.
Germany--Foreign economic relations--Soviet Union.
Soviet Union--Foreign economic relations--Germany.