Columbia subject headings:
Schrade, Carl, 1896-1974.
World War, 1939-1945--Concentration camps.
World War, 1939-1945--Prisoners and prisons--Personal narratives.
Harvard subject headings:
Schrade, Carl.
World War, 1939-1945--Concentration camps.
World War, 1939-1945--Prisoners and prisons--Personal narratives.
Princeton subject headings:
Personal narratives.
World War, 1939-1945--Concentration camps.
World War, 1939-1945--Prisoners and prisons.--Personal narratives.