Coleman,Loren;Clark,Jerome(1999-08-05),Cryptozoology A To Z: The Encyclopedia of Loch Monsters, Sasquatch, Chupacabras, and Other Authentic Mysteries of Nature,NY:Fireside,ISBN978-0-684-85602-5
Coleman,Loren(2007-04-24),Mysterious America: The Ultimate Guide to the Nation's Weirdest Wonders, Strangest Spots, and Creepiest Creatures,NY:Paraview Pocket Books,ISBN978-1-4165-2736-7
Newton,Michael(2005-01-06),Encyclopedia of Cryptozoology: A Global Guide to Hidden Animals and Their Pursuers,Jefferson, North Carolina, and London:McFarland & Company,ISBN978-0-7864-2036-0