British Research and Developme - GOOD

British Research and Development Aircraft: Sevent... by Sturtivant, Ray Hardback

Royal Air Force Aircraft J1 - J9999 and WW1 Survivors by Thompson & Sturtivant

British Research and Development Aircraft by Ray Sturtivant (1990, Hardcover)

Royal Navy Aircraft Serials and Units, 1911-1919, Air-Britain Ray Sturtivant

British Research and Development Aircraft: Seventy Years... +Aircraft prototypes

British Research and Development Aircraft by Ray Sturtivant (1990, Hardcover)

British Research and Development Aircraft: Seventy Years... - Sturtivant, Ray