Arnold, E. N. A field guide to the reptiles and amphibians of Britain and Europe / E.N. Arnold and J.A. Burton ; illustrated by D.W. Ovenden - London : Collins, 1978 - 272 p, 40 p. of plates . : ill.(some col), maps ; 20 cm. Bibliography : p. 248-252 ISBN: 0002193183 Subjects--Topical Terms: Amphibians--Identification--EuropeReptiles--Identification--EuropeReptiles--Identification--United KingdomAmphibians--Identification--United Kingdom