Hollister, N. 1876-1924. A systematic account of the prairie-dogs. By N. Hollister. - Washington, Govt. print. off., 1916. - 37 p. vii pl., maps, tables 23 cm. - North American fauna, no. 40 . At head of title: U.S. Department of agriculture. Bureau of biological survey ... LCCN: agr16000722 Subjects--Topical Terms: Prairie dogs. LC Class. No.: QL155 / .A4 no. 40