Columbia subject headings:
Harvard subject headings:
Fricke, Karl Wilhelm.
Germany (East)--Politics and government--Sources.
Germany (East)--Politics and government.
Political persecution--Germany (East)--History--20th century--Sources.
Political persecution--Germany (East)--History--20th century.
Princeton subject headings:
Fricke, Karl Wilhelm.
Germany (East)--Politics and government--Sources.
Germany (East)--Politics and government.
Political persecution--Germany (East)--History--20th century--Sources.
Political persecution--Germany (East)--History--20th century.