The Reptiles of Western North America

The Gigantic Land Tortoises of the Galapagos Archipelago

The Reptiles and Amphibians of the Islands of the Pacific Coast of North America from the Farallons to Cape San Lucas and the Revilla Gigedos, Volume 4, Issues 1-5

The Reptiles of Western North America, Vol. 1: An Account of the Species Known to Inhabit California and Oregon, Washington, Idaho, Utah, Nevada, Arizona, British Columbia, Sonora and Lower California' Lizards (Classic Reprint)

The Reptiles of Western North America, Vol. 2: An Account of the Species Known to Inhabit California and Oregon, Washington, Idaho, Utah, Nevada, Arizona, British Columbia, Sonora and Lower California; Snakes and Turtles (Classic Reprint)