Columbia subject headings:
Harvard subject headings:
Beer, Harald, 1928-
Beer, Harald, 1928---Childhood and youth.
Germany (East)--History--Sources.
Political persecution--Germany (East)
Political prisoners--Germany (East)--Biography
Political prisoners--Germany (East)--Biography--Sources.
Sachsenhausen (Concentration camp)
Princeton subject headings:
Beer, Harald, 1928-
Beer, Harald, 1928---Childhood and youth.
Germany (East)--History--Sources.
Political persecution--Germany (East)
Political prisoners--Germany (East)--Biography--Sources.
Political prisoners--Germany (East)--Biography.
Sachsenhausen (Concentration camp)