Columbia subject headings:
Harvard subject headings:
Iwersen, Siegfried, -1980.
Prisoners of war--Germany--Biography
Prisoners of war--Soviet Union--Biography
World War, 1939-1945--Personal narratives, German.
World War, 1939-1945--Prisoners and prisons, Russian.
Princeton subject headings:
Iwersen, Siegfried, -1980.
World War, 1939-1945--Personal narratives, German.
World War, 1939-1945--Prisoners and prisons, Russian.