Collins Guide to Animal Tracks and Signs: The Tracks and Signs of British and European Mammals and Birds - Preben Bang
London: Collins, Hardback, 1974, Hardback in Dust Wrapper £33.50
Collins Guide to the Sea Fishes of Britain and North-Western Europe - Bent J. Muus
London: Collins, Hardback, 1974, Hardback in Dust Wrapper £13.50