Mathematics of map projections and navigation British Aircraft Armament : volume 1 : RAF gun turrets from 1914 to the present day British Aircraft Armament : volume 2 : RAF guns and gunsights from 1914 to the present day D-Day; Invasie in Normandie; Van de invasie in Normandie tot de bevrijding van Parijs Engines The search for Power D-Day : de bres in de vesting Europa D-day : het Nederlandse vliegtuigsquadron 320 was erbij! Hardest Day : the battle of Britain 18 august 1940 Flying colours : Military aircraft markings and camouflage schemes from World War I to the present day Aviation of to-day : its history and development Down south or, an Englishman's experience at the seat of the American War / Samuel Phillips Day : 2 mededelingen en verhandelingen new analysis of some features of the 11-year and 27-day cycles in solar activity and their reflection in geophysical phenomena / S.W. Visser
