Matthew, W. D.

1899. A provisional classification of the fresh-water Tertiary of the West. Bull. Amer. Mus. Nat. Hist., 12:19-75, March 31.

1902. List of the Pleistocene fauna from Hay Springs, Nebraska. Bull. Amer. Mus. Nat. Hist., 16:317-322, September 25.

1909. Faunal lists of the Tertiary mammalia of the west. Bull. U. S. Geol. Surv., 361:91-138.

1910. Notes on the osteology and relationships of Paramys, and the affinities of the Ischyromyidae. Bull. Amer. Mus. Nat. Hist., 28: 43-72, 19 figs., March 22.

1923a. Fossil bones in the rock. The fossil quarry near Agate, Sioux County, Nebraska. Nat. Hist., 23:358-369.

1923b. The occurrence of the Hesperopithecus tooth. Amer. Mus. Novit., 53:11-13, January 6.

1924. Third Contribution to the Snake Creek Fauna. Bull. Amer. Mus. Nat. Hist., 50:59-210, July 3.

Matthew, W. D., and Cook, H. J.

1909. A Pliocene fauna from western Nebraska. Bull. Amer. Mus. Nat. Hist., 26:361-414.