Columbia subject headings:
Harvard subject headings:
Germany (East)--Foreign relations--Germany (West)
Germany (East)--Foreign relations--Germany (West)--Sources.
Germany (East)--Politics and government.
Germany (West)--Foreign relations--Germany (East)
Germany (West)--Foreign relations--Germany (East)--Sources.
Intellectuals--Germany (East)--Biography.
Nitz, Jürgen.
Princeton subject headings:
Germany (East)--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Germany (East)
Intellectuals--Germany (East)--Biography.
Nitz, Jürgen.