Fuentes
- Hairy Creatures Return a Favor - My Search for B.C's Giant Indians - Guide to Mysterious and Legendary Creatures - A Guide to Cryptozoology - Bigfoot Encounters in Ohio, Quest for the Grassman - The Wilderness Hunter, Outdoor Pastimes of an American Hunter - Curiosos y comprometidos, una historia natural mexicana - Matlox was a Bigfoot - The Real Cowboys & Aliens: UFO Encounters of the Old West - The Adventures of Buffalo Bill Cody