Columbia subject headings:
Communism--Europe.
Germany--History--Unification, 1990.
Post-communism--Europe.
Socialism--Germany.
Harvard subject headings:
Communism--Europe
Germany--History--Unification, 1990.
Post-communism--Europe.
Socialism--Germany
Princeton subject headings:
Germany (East)--Social life and customs.
Socialism--Germany (East)
Socialism--Soviet Union.
Soviet Union--Social life and customs.