Columbia subject headings:
Cold War.
Germany (East)--Relations--United States.
Naturalists--Political aspects--Germany (East)
Science and state.
United States--Relations--Germany (East)
Harvard subject headings:
Cold War.
Germany (East)--Relations--United States.
Naturalists--Political aspects--Germany (East)
Science and state.
United States--Relations--Germany (East)
Princeton subject headings:
Cold War.
Germany (East)--Politics and government.
Germany (East)--Relations--United States.
Science and state--Germany (East)--History.
United States--Relations--Germany (East).