by W. Earl Godfrey ; colour illustrations by John A. Crosby ; line drawings by John A. Crosby and S.D. MacDonaldNational Museum of Natural Sciences : National Museums of Canadac1986
Francis R. Cook ; including a section on care of pet reptiles and amphibians by James A. Johnston ; illustrations by Charles Douglas ; maps drafted by Joyce Crosby CookNational Museum of Natural Sciences : National Museums of Canadac1984
C.G. van Zyll de Jong ; coloured illustrations, Brenda Carter ; drawings C.H. Douglas and E. van IngenNational Museum of Natural Sciences : National Museums of Canadac1983-<c1985 >