Bibliografía (10 obras)
Butterflies of Kent and South East London
2022
Kent Year Round Walks
2015
Butterflies of Britain and Ireland
2010
Pub Walks for Motorists
2003
Pub Strolls in KENT
2002
Hawk-Moths of the British Isles
1999
The concise illustrated book of butterflies
1991
The Concise Illustrated Book of Butterflies (World of Nature)
Butterflies of the British Isles
1987
Hawk-moths of the British Isles
1985
