Columbia subject headings:
World War, 1939-1945--Campaigns--Africa, North.
World War, 1939-1945--Military intelligence--Africa, North.
Harvard subject headings:
World War, 1939-1945--Campaigns--Africa, North.
World War, 1939-1945--Military intelligence--Germany.
World War, 1939-1945--Military intelligence--Great Britain.
Zerzura Club.
Princeton subject headings:
World War, 1939-1945--Campaigns--Africa, North.
World War, 1939-1945--Military intelligence--Africa, North.
Zerzura Club.