Columbia subject headings:
Prisoners of war--England.
Prisoners of war--Germany.
World War, 1939-1945--Prisoners and prisons, British.
World War, 1939-1945--Prisoners and prisons, German.
Harvard subject headings:
Prisoners of war--England.
Prisoners of war--Germany
World War, 1939-1945--Prisoners and prisons, British.
World War, 1939-1945--Prisoners and prisons, German.
Princeton subject headings:
Prisoners of war--England.
Prisoners of war--Germany.
World War, 1939-1945--Prisoners and prisons, British.
World War, 1939-1945--Prisoners and prisons, German.