1. The naturalist in Britain: A social history;Allen,1994
2. Anonymous. (1946). The spitfire notebook. The Aeroplane Spotter, 5(2), 114–115.
3. Anonymous. (1947). The Royal Observer Corps. Its history, its purpose and its aim. Inter-Services Aircraft Recognition Journal, 1(7), 76–77.
4. Anonymous. (1948). The communications system of the Royal Observer Corps. The Royal Observer Corps Gazette, 2(6), 41–42.
5. From birds to aeroplanes: Four studies in bird flight for beginners;Bartlett,1943