The law in relation to aircraft : by Lawrence Arthur Wingfield ... and Reginald Brabant Sparkes ... with a foreword by Air Vice-Marshal Sir Sefton Brancker. / Lawrence Arthur Wingfield and Reginld Brabant Sparkes. Wingfield, Lawrence Arthur, 1898- Sparkes, Reginald Brabant, 1881- Great Britain. Aeronautics Law and legislation. KD2720 .W56 1928 387.71 WIL London : Longmans, Green and co., 1928. 1928. 1928 Text vii, 304 p. eng