Columbia subject headings:
Harvard subject headings:
Nazi concentration camps--Germany--History--Congresses.
Prisoners of war--Germany--Congresses.
Prisoners of war--Soviet Union--Congresses.
World War, 1939-1945--Concentration camps--Congresses.
World War, 1939-1945--Prisoners and prisons, Russian--congresses.
Princeton subject headings:
Germany--Armed Forces--History--World War, 1939-1945--Congresses.
Germany. Geheime Staatspolizei--Congresses.
Nationalsozialistische Deutsche Arbeiter-Partei. Schutzstaffel--Congresses.
Prisoners of war--Germany--Congresses.
Prisoners of war--Soviet Union--Congresses.
World War, 1939-1945--Germany--Prisoners and prisons--Congresses.