Columbia subject headings:
Harvard subject headings:
Germans--Europe, Eastern--History--20th century
Prussia, East (Poland and Russia)--History.
World War, 1939-1945--Conscript labor--Soviet Union.
World War, 1939-1945--Deportations from Poland.
World War, 1939-1945--Deportations from Prussia, East (Poland and R.S.F.S.R.)
World War, 1939-1945--Deportations from the Soviet Union.
World War, 1939-1945--Prisoners and prisons, German.
World War, 1939-1945--Prisoners and prisons, Soviet.
Princeton subject headings:
Pollack, Hans Heinz.
Prisoners of war--Germany.
Prisoners of war--Soviet Union.
World War, 1939-1945--Conscript labor--Soviet Union.
World War, 1939-1945--Personal narratives, German.
World War, 1939-1945--Prisoners and prisons, Russian.