Columbia subject headings:
Eavesdropping--Great Britain.
Germany--Armed Forces--History--20th century--Sources.
Prisoners of war--Germany--Attitudes--Sources.
Prisoners of war--Great Britain--Attitudes--Sources.
Soldiers--Germany--Attitudes--Sources.
World War, 1939-1945--Anecdotes.
World War, 1939-1945--Military intelligence--Great Britain.
World War, 1939-1945--Prisoners and prisons, British.
Harvard subject headings:
Eavesdropping--Great Britain.
Germany--Armed Forces--History--20th century--Sources.
Prisoners of war--Germany--Attitudes--Sources.
Prisoners of war--Great Britain--Attitudes--Sources.
Soldiers--Germany--Attitudes--Sources.
World War, 1939-1945--Anecdotes.
World War, 1939-1945--Military intelligence--Great Britain.
World War, 1939-1945--Prisoners and prisons, British.
Princeton subject headings:
Soldiers--Psychology.
World War, 1939-1945--Psychological aspects.