01077cam a22002532 4500 6381 BD-RjUL 20211208234232.0 140111s1944 enkfdb 001 0 eng d OCLC ocm01448872 from D961004M (BD-RjUL)6421 JPL OCL EQO BD-RjUL eng eng 358.4 SAP 1944 Saunders, Hilary Aidan St. George, 1898-1951 20106 Per ardua : the rise of British air power 1911-1939 / Hilary St. George Saunders. London ; New York (etc.) : Oxford University Press, 1944 xii, 355, [1] p. : incl. illus. (maps) tables plates, port.,facsims ; 21 cm. "This will, I hope, be the first volume of a short history of the Royal air force from its beginning as an air battalion in 1911 to its apotheosis in 19--? when this war ends."--Pref. Great Britain. Royal Air Force. 20107 World War, 1914-1918 Aerial operations. 20108 ddc BK 6381 6381 0 0 ddc 0 1 NFIC RUCL RUCL reading 1955-06-23 O.U.P 10.20 0 358.4 SAP 1944 2014-01-11 00:00:00 C-1 2014-01-11 BK