Columbia subject headings:
Harvard subject headings:
Nazi concentration camps--Germany--History
Prisoners of war--Italy--Rubano--History--20th century.
World War, 1939-1945--Prisoners and prisons, German
Princeton subject headings:
Nazi concentration camps--Germany.
Prisoners of war--Italy--Rubano--History--20th century.
World War, 1939-1945--Prisoners and prisons, German.