Pelagic Birds of Monterey Bay, California
Stallcup, Richard W.
Camps and Cruises of an Ornithologist
Chapman, Frank M.
All About Birds: California
Cornell Lab of Ornithology
Catalogue of Mammals Collected by E. Heller in Southern California
Hansen's Field Guide to the Birds of the Sierra Nevada
Hansen, Keith, Edward C Beedy and Adam Donkin
The Natural History of Magpies
LINSDALE, Jean M
Birds of Point Lobos
Frincke, Milton; Harold Terry
Birds of the Pacific Slope
Grayson, Andrew Jackson
Flora of the Santa Ama River and Environs: With Reference to World Botany
Clarke, Oscar F., Danielle Svehla, Greg Ballmer, & Arlee Montalvo
ABA Birdfinding Guide: A Birder's Guide to Southern California. Fifth edition
A Systematic List of the Birds of California
The Biology of a Desert Apparition: Le Conte's Thrasher (Toxostoma lecontei)
Sheppard, Jay M.