after the battle battle of Britain then and now / ed. by Winston G. Ramsey Halifax" EY-S keerde niet terug : pilotenhulp tijdens de oorlog : waarin opgenomen: het ontsnappingsverhaal van Fl. Ltn. George Duffee, D.F.C. / [samensteller George Duffee] Vliegtuigen van de wereld Commanders of the British army : Sir Redvers Buller groundwork of British history / George Townsend Warner : Period III, 1603-1783 Coast artillery training : Vol. 1 Artillery training : Predictor No. 1 / War Office. Vol IV / @War Office. Part I: A.A. Gunnery / @War Office Artillery training : Operational procedure for searchlights (other than with fighter aircraft) / War Office. Vol IV / War Office. Part II: A.A. Searchlights / … Artillery training : Predictor A.A. No. 3 and the power controlled 40-mm. L.A.A. gun / War Office. Vol IV / War Office. Part I: A.A. … Artillery training : Predictors A.A. Nos. 2 and 5 / War Office. Vol IV / @War Office. Part I: A.A. Gunnery / @War Office Artillery training : Predictor A.A. No. 4 / War Office. Vol IV / @War Office. Part I: A.A. Gunnery / @War Office Artillery training : Predictor A.A. No. 10 / War Office. Vol IV / @War Office. Part I: A.A. Gunnery / @War Office