Columbia subject headings:
Authors, German--20th century--Political and social views.
Berlin Wall, Berlin, Germany, 1961-1989.
Harvard subject headings:
Celebrities--Germany--Biography.
Germany (East)--Politics and government--1989-1990.
Germany--History--Unification, 1990--Personal narratives.
Princeton subject headings:
Authors, German--20th century--Political and social views.
Berlin Wall, Berlin, Germany, 1961-1989.