Eocene and Oligocene of the Wind River and Bighorn basins. Bulletin of the AMNH ; v. 30, article 7

1911

Notes on the Tertiary deposits of the Bighorn Basin. Bulletin of the AMNH ; v. 31, article 5

1912

On the names of Lower Eocene faunal horizons of Wyoming and New Mexico. Bulletin of the AMNH ; v. 33, article 15

1914

Paleocene deposits of the San Juan Basin, New Mexico. Bulletin of the AMNH ; v. 33, article 22

1914

Volume VI, Paleontology. Mammalia of the Santa Cruz Beds. Part I, Typotheria.

libro de paleontología