Columbia subject headings:
Harvard subject headings:
Germany--History--Unification, 1990.
Germany--Politics and government--1945-1990.
Pacifists--Germany--Leipzig--Biography.
Peace movements--Germany--History--20th century.
Socialists--Germany--Leipzig--Biography.
Princeton subject headings:
Germany (East)--Politics and government--1989-1990.
Germany--History--Unification, 1990--Biography.
Political activists--Germany--Leipzig--Biography.