Columbia subject headings:
Prisoners of war--France--History--20th century.
Prisoners of war--Germany--History--20th century.
World War, 1939-1945--Prisoners and prisons, French.
World War, 1939-1945--Prisoners and prisons, German.
Harvard subject headings:
Prisoners of war--France--History--20th century.
Prisoners of war--Germany--History--20th century
World War, 1939-1945--Prisoners and prisons, German.
Princeton subject headings:
Prisoners of war--France.--History.--20th century.
Prisoners of war--Germany--History--20th century.
World War, 1939-1945--Prisoners and prisons, German.