H.M.S.O. Aeronautics, Report of the Advisory Committee for Aeronautics Committee for Aeronautics 1909-10 (1919 reprint), 1911-12 (1919 reprint); a quantity of BOAC training manuals; various technical publications; a quantity of books relating to helicopter flight; Air Britain News (unbound); and quantity of the Journal of the Aeronautical Society, 1927-1949 (unbound). Sampson Low 'World Aircraft' six Vols; Putnam publications four Vols (a lot)