ELLERMAN, J. R., and T. C. S. MORRISON-SCOTT.
1951. Checklist of Palearctic and Indian mammals. British Mus. (Nat.
Hist.), pp. 1-810, 1 map, November 30.
GMELIN, J. F.
1788. Systema Naturae. 1:1-500.
HOWELL, A. H.
1929. Revision of the American chipmunks (genera _Tamias_ and _Eutamias_).
N. Amer. Fauna 52:1-157, 10 pls., 9 maps, November 30.
ILLIGER, J. K. W.
1811. Prodromus systematis mammalium et avium additis terminis zoographicis utriuque cla.s.sis, pp. xviii + 302, C. Salfeld.
LAXMANN, M. E.
1769. Sibiriche Brief, pp. iv + 104, Gottingen and Gotha.
LAYNE, J. N.
1952. The os genitale of the red squirrel, _Tamiasciurus_. Jour. Mamm.
33:457-459, 1 fig., November 19.
LINNAEUS, C.
1758. Systema Naturae. 1:1-824.
MERRIAM, C. H.
1897. Notes on the chipmunks of the genus _Eutamias_ occurring west of the east base of the Cascade-Sierra system, with descriptions of new forms. Proc. Biol. Soc. Washington, 11:189-212, July 1.
POc.o.c.k, R. I.
1923. The cla.s.sification of the Sciuridae. Proc. Zool. Soc. London, 1923:209-246, June.
SAY, T. (_in_ Edwin James).
1823. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and 1820, under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party. Compiled by Edwin James.
Vol. 1, pp. 1-503; Vol. 2, pp. 1-442 + appendix i-xcviii.
SCHREBER, J. C. D.
1785. Saugthiere, 4:790-802.
SIMPSON, G. G.
1945. The principles of cla.s.sification and a cla.s.sification of mammals.
Bull. Amer. Mus. Nat. Hist., 85:xvi + 350, October 5.
TROUESSART, E. L.
1880. Catalogue des mammiferes vivants et fossiles. Ordre des Rongeurs.
Bull. Soc. d"Etudes Sci. d"Angers, 10:58-212.
WHITE, J. A.
1951. A practical method for mounting the bacula of small mammals.
Jour. Mamm. 32:125, February 15.