Columbia subject headings:
Harvard subject headings:
Clausen, Karl Heinz.
Prisoners of war--Germany--Biography
World War, 1939-1945--Personal narratives, German.
World War, 1939-1945--Prisoners and prisons, American.
Princeton subject headings:
Clausen, Karl Heinz.
Prisoners of war--Germany--Biography.
World War, 1939-1945--Personal narratives, German.
World War, 1939-1945--Prisoners and prisons, American.