File 1 contains material relating to:
- enquiries for information on wind currents to the Met Office
- enquiries for information on monoplanes to Vickers, Deperdussin
- enquiries for information on engines to General Aviation, Dansette Gillot & Anzani, NEC
- wireless telegraphy from aeroplanes
- French military aeroplane trials
- Military Aeroplane Competition of 1912
- British military aeroplane trials
File 2 contains material relating to:
- reports from 1911, 1912 and 1913 on French and German aircraft and general information on military strategy, reconnaissance, competition with cavalry etc
- memoranda on naval and military aviation from 1912-13
- Brooke-Popham's notes for Sir Walter Raleigh's book on the early history of the Royal Flying Corps
File 3 contains a collection of articles on aviation and military strategy from various French and English journals and reviews by Sir John Capper, Col. Mervyn O'Gorman and Lord Montagu.