Columbia subject headings:
Harvard subject headings:
Authors, Canadian--20th century--Biography
Escapes--Germany
Prisoners of war--Germany--Biography
Prisoners of war--Great Britain--Biography
Walker, David, 1911-1992--Biography.
World War, 1939-1945--Personal narratives, Scottish.
World War, 1939-1945--Prisoners and prisons, German.
Princeton subject headings:
Escapes--Germany.
Novelists, Canadian--20th century--Biography.
Prisoners of war--Germany--Biography.
Prisoners of war--Great Britain--Biography.
Walker, David, 1911-1992--Biography.
World War, 1939-1945--Personal narratives, Scottish.
World War, 1939-1945--Prisoners and prisons, German.