Columbia subject headings:
Harvard subject headings:
Aufbau-Verlag Berlin und Weimar (Germany)--History.
Communism--Germany--History--20th century
Communists--Germany (East)--Biography
Germany (East)--Politics and government.
Janka, Walter, 1914-
Janka, Walter, 1914-1994.
Political prisoners--Germany (East)--Biography
Publishers and publishing--Germany (East)--Biography.
Princeton subject headings:
Aufbau-Verlag Berlin und Weimar (Germany)--History.
Communism--Germany--History--20th century.
Communists--Germany (East)--Biography.
Germany (East)--Politics and government.
Janka, Walter, 1914-1994.
Political prisoners--Germany (East)--Biography.
Publishers and publishing--Germany (East)--Biography.