1. The index of Heron population, 1944.;Alexander;Brit. Birds,1945
2. The rôle of longevity in successful breeding of the Common Tern;Austin;(Sterna hirunda). Bird Banding,1945
3. Baker , E. C. Stuart. 1942 Cuckoo Problems.
4. Bannerman , D. 'A History of the Birds of the Canary Islands'