Notes on the Pleistocene fossils obtained from Rancho La Brea asphalt pits (Miscellaneous publications - Los Angeles Museum of History, Science and Art, Dept. of Natural Sciences)
Notes on the Pleistocene Fossils Obtained from Rancho La Brea Asphalt Pits. Los Angeles Museum of History, Science and Art. Department of Natural Sciences Miscellaneous Publications No. 2 (Revised).