Birds from Coahuila, Mexico

by Emil K. Urban

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.