Columbia subject headings:
Harvard subject headings:
Forced labor--Germany (East)--History.
Germany (East)--Politics and government.
Labor unions--Germany (East)--History--Sources.
Political prisoners--Germany (East)--Economic conditions.
Political prisoners--Germany (East)--Social conditions.
Sozialistische Einheitspartei Deutschlands--History.
Princeton subject headings:
Forced labor--Germany (East)--History.
Germany (East)--Politics and government.
Labor unions--Germany (East)--History--Sources.
Political prisoners--Germany (East)--Economic conditions.
Political prisoners--Germany (East)--Social conditions.
Sozialistische Einheitspartei Deutschlands--History.