Proboscidea : a monograph of the discovery, evolution, migration and extinction of the mastodonts and elephants of the world. Volume II, Stegodontoidea, Elephantoidea - Osborn, Henry Fairfield, 1857-1935; Percy, Mabel Rice (New York : The J. Pierot Morgan fund by the Trustees of the American Museum of Natural History, 1942)
Keywords: fosilní chobotnatci; mastodonti; paleontologie; fossil Proboscidea; paleontology; monografie