Columbia subject headings:
Harvard subject headings:
World War, 1939-1945--Europe--Congresses.
World War, 1939-1945--France--Congresses.
Princeton subject headings:
Ex-prisoners of war--Europe--Congresses.
World War, 1939-1945--Europe--Congresses.
World War, 1939-1945--Europe--Prisoners and prisons--Congresses.