observer's basic military aircraft directory / comp. by William Green and Gordon Swanborough changing map of Asia : a political geography / ed. W. Gordon East and O.H.K. Spate gale & polden's military series Company drill made easy : with explanatory notes in accordance with the newly revised infantry drill / 1893 edition by William Gordon Military policy and national security / edited by William W. Kaufmann ; [préface par Frederick S. Dunn.] ; [contributions par] Gorden A. Craig, Roger Hilsman … discussion books geography behind history / by Gordon East world war 2 fact files : [aircraft] RAF fighters / [by] William Green and Gordon Swanborough Focke-Wulf Fw 190 / [by] William Green and Gordon Swanborough
