Walkinshaw, Lawrence H. 1968. “Passerherbulus caudacutus (Latham). Le Conte’s Sparrow.” In Life Histories of North American Cardinals, Grosbeaks, Buntings, Towhees, Finches, Sparrows, and Allies (Order Passeriformes), edited by Arthur Cleveland Bent. Smithsonian Institution Bulletin 237. Washington, DC: U.S. National Museum.