Columbia subject headings:
Harvard subject headings:
Germany--Armed Forces--History--World War, 1939-1945--Congresses.
Nazi concentration camps--Germany--History--20th century--Congresses.
World War, 1939-1945--Concentration camps--Germany, Northern--Congresses.
World War, 1939-1945--Prisoners and prisons, Soviet--Congresses.
Princeton subject headings:
Germany--Armed Forces--History.
World War, 1939-1945--Concentration camps--Germany, Northern.