Columbia subject headings:
Harvard subject headings:
Great Britain. Special Operations Executive--Biography.
Nazi concentration camp inmates--Germany--Correspondence
Prisoners of war--Germany--Biography
World War, 1939-1945--Germany--Prisoners and prisons--Biography.
World War, 1939-1945--Prisoners and prisons, German.
World War, 1939-1945--Secret service--Great Britain--Biography.
World War, 1939-1945--Underground movements--France--Biography.
Zembsch-Schreve, Guido, 1916-
Princeton subject headings:
Great Britain. Special Operations Executive--Biography.
Nazi concentration camp inmates--Germany--Biography.
Prisoners of war--Germany--Biography.
World War, 1939-1945--Prisoners and prisons, German.
World War, 1939-1945--Secret service--Great Britain--Biography.
World War, 1939-1945--Underground movements--France--Biography.
Zembsch-Schreve, Guido, 1916-