Burghduff, A. E.

1935. Black bears released in southern California. California Fish and Game, 21:83-84.

Burt, W. H.

1932. The systematic status and geographic range of the San Gabriel pocket gopher (Thomomys bottae neglectus Bailey). Jour. Mamm., 13:369-370.

Cowan, I. Mc.

1933. The mule deer of southern California and northern Lower California as a recognizable race. Jour. Mamm., 14:326-327.

Cronemiller, F. P., and Bartholomew, P. S.

1950. The California mule deer in chaparral forests. California Fish and Game, 36:343-365, 7 figs. in text.

Errington, P. L.

1937. What is the meaning of predation? Smithsonian Inst., Ann. Rept., for 1936:243-252.