1919a. Distribution of a new Red-winged Blackbird from Texas. Wilson Bull. 31:20-23, March.
1919b. The geographic races of _Hedymeles melanocephalus_ Swainson. Auk, 36:408-416, July.
1921. A revision of the races of _Dendroica auduboni_. Ohio Jour. Sci., 21:240-248, May.
PACKARD, R. L. 1957. Broad-winged Hawk in Coahuila. Wilson Bull., 69:370-371, December.
PHILLIPS, A. R. 1950. The Great-tailed Grackles of the southwest. Condor, 52:78-81, March.
PITELKA, F. A. 1948. Notes on the distribution and taxonomy of Mexican game birds. Condor, 50:113-123, May.
RIDGWAY, R. 1901. The birds of North and Middle America. U.S. Nat. Mus., Bull. 50(Pt. I):xxxii+715 pp., October 24.
1902. _Ibid._ (Pt. II):xx+834 pp., October 16.
1904. _Ibid._ (Pt. III):xx+801 pp., December 31.
1907. _Ibid._ (Pt. IV):xxii+973 pp., July 1.
1914. _Ibid._ (Pt. VI):xx+882 pp., April 8.
1916. _Ibid._ (Pt. VII):xiv+543 pp., May 5.
RIDGWAY, R., and FRIEDMANN, H. 1946. The birds of North and Middle America. U.S. Nat. Mus., Bull. 50(Pt. X):xii+484 pp., December 18.
SCLATER, P. L. 1857. Review of the species of the South American subfamily Tityrinae. Proc. Zool. Soc. London, Pt. XXV, pp. 67-80.
SELANDER, R. K., and BAKER, J. K. 1957. The Cave Swallow in Texas. Condor, 59:345-363, November-December.
SIBLEY, C. G. 1950. Species formation in the Red-eyed Towhees of Mexico. Univ. California Publ. Zool., 50:109-194, November 24.
SUTTON, G. M., and BURLEIGH, T. D. 1939a. A list of birds observed on the 1938 Semple Expedition to northeastern Mexico. Occas. Papers Mus. Zool., Louisiana State Univ., 3:15-46, April 5.
1939b. A new Screech Owl from Nuevo León. Auk, 56:174-175, April.
VAN HOOSE, S. G. 1955. Distributional and breeding records of some birds from Coahuila. Wilson Bull., 67:302-303, December.
VAN ROSSEM, A. J. 1934. Notes on some types of North American birds. Trans. San Diego Soc. Nat. Hist., 7:347-362, May 31.
VAN TYNE, J., and SUTTON, G. M. 1937. The birds of Brewster County, Texas. Univ. Michigan Mus. Zool., Miscel. Publ., 37:1-115, August 24.
WEBSTER, J. D., and ORR, R. T. 1958. Variation in the Great Horned Owls of Middle America. Auk, 75:134-142, April.
WETMORE, A. 1948. The Golden-fronted Woodpeckers of Texas and northern Mexico. Wilson Bull., 60:185-186, September.