Osborn, Henry Fairfield, 1857-1935.; Wortman, Jacob Lawson.; Matthew, William Diller, 1871-1930.; Gidley, James Williams, 1866-1931.(New York : Published by order of the Trustees, American Museum of Natural History, 1904)
Matthew, William Diller, 1871-1930.; Gidley, James Williams, 1866-1931.(New York : Published by order of the Trustees, American Museum of Natural History, 1904)
Schultz, C. Bertrand (Charles Bertrand), 1908-; Falkenbach, Charles H.; American Museum of Natural History. Frick Laboratories.; University of Nebraska State Museum.(New York : [American Museum of Natural History], 1956)