1948. The Franklin ground squirrel, Citellus franklinii (Sabine), and its relationship to nesting ducks. Jour. Mamm., 29:113-137, 3 pls., 3 figs. in text, May 14, 1948.
Stanford, J. S.
1931. Notes on small mammals of Utah. Journ. Mamm., 12:356-363, November 11, 1931.
Stephens, F.
1906. California mammals. West Coast Publishing Co., San Diego, California, pp. 1-351, numerous figs. and maps.
Strecker, J. K.
1924. The mammals of McLennan County, Texas. The Baylor Bull., Baylor Univ., Waco, Texas, 27(no. 1):1-20, September, 1924.
1926. A check-list of the mammals of Texas exclusive of the Sirenia and Cetacea. The Baylor Bull., Baylor Univ., Waco, Texas, 29(no. 3):1-48, August, 1926.
Strong, W. D.
1930. Notes on mammals of the Labrador Interior. Jour. Mamm., 11:1-10, February 11, 1930.
Sumner, F. B.