Columbia subject headings:
Harvard subject headings:
Archives--Research--Methodology.
Santerre, Joseph Louis Marie, 1905-1945
World War, 1939-1945--Prisoners and prisons, French.
World War, 1939-1945--Prisoners and prisons, German.
Princeton subject headings:
Archives--Research--Methodology.
World War, 1939-1945--Prisoners and prisons, French.