Columbia subject headings:
Harvard subject headings:
Germany (East)--Politics and government--Sources.
Internment camps--Germany (East)--History--Sources
Political prisoners--Germany (East)--History--Sources.
Soviet Union--Politics and government--1945-1991--Sources.
World War, 1939-1945--Prisoners and prisons, Russian--History--Sources.
World War, 1939-1945--Prisoners and prisons, Russian--Sources.
Princeton subject headings:
Internment camps--Germany (East)--History--Sources.
Political prisoners--Germany (East)--History--Sources.
World War, 1939-1945--Prisoners and prisons, Russian--History--Sources.