The War in the air.
Great Britain.Committee of Imperial Defence.Historical Section.
Raleigh, Walter.
London : Oxford, at the Clarendon Press,
1922-1937.
"By direction of the Historical Section of the Committee of Imperial Defence."
Edited by: Walter Raleigh.
Each one is also catalogued separately.
Map nos. 11 and 12 in volume 5 missing.