Bibliografía (5 obras)
Bird life of coasts and estuaries
1992
A One day symposium on "The British Question" erroneously called "The Irish Question", the Effect of Violence and Why Conservation Matters, Wednesday 25 February 1976, 9 : 30 a.m.-3
1978
The Severn Estuary
The Birds of Gwent
1977
Wading birds of the Severn Estuary
