Birds from Coahuila, Mexico

by Emil K. Urban

1942. Notes on the birds of southeastern Coahuila. Occas. Papers Mus. Zool., Louisiana State Univ., 12:185-212, March 4.

Cory, C. B.

1919. Catalogue of birds of the Americas. Field Mus. Nat. Hist. (Publ. 203), Zool. Ser., 13 (Pt. II, no. 2):317-607, December 31.

Cory, C. B., and Hellmayr, C. E.

1927. Catalogue of birds of the Americas and the adjacent islands. Field Mus. Nat. Hist. (Publ. 242), Zool. Ser., 13(Pt. V):vi+517 pp., April 11.

Davis, J.

1951. Distribution and variation of the Brown Towhees. Univ. California Publ. Zool., 52:1-120, October 30.

Dixon, K. L.

1955. An ecological analysis of the interbreeding of Crested Titmice in Texas. Univ. California Publ. Zool., 54:125-206, December 8.

Evenden, F. G., Jr.