Crosby, Harry W.

Harry W. Crosby is a photographer and historian who specializes in the history of Alta California and Baja California. His books include "Gateway to Alta California: The Expedition to San Diego, 1769", "Antigua California: Mission and Colony on the Peninsular Frontier, 1697 1768", and "The Cave Paintings of Baja California: Discovering the Great Murals of an Unknown People."