Birds from Coahuila, Mexico

by Emil K. Urban

1909. A new cowbird of the genus Molothrus with a note on the probable genetic relationships of the North American forms. Univ. California, Publ. Zool., 5:275-281, December 31.

Griscom, L.

1950. Distribution and origin of the birds of Mexico. Bull. Mus. Comp. Zool., 103:341-382.

Hardy, J. W., and Dickerman, R. W.

1955. The taxonomic status of the Maroon-fronted Parrot. Condor, 57:305-306, September-October.

Hellmayr, C. E.

1929. Catalogue of birds of the Americas and the adjacent islands. Field Mus. Nat. Hist. (Publ. 266), Zool. Ser., 13(Pt. VI):vi+258 pp., November 14.

1934. Catalogue of birds of the Americas. Ibid. (Publ. 330), Zool. Ser., 13(Pt. VII):vi+531 pp., November 15.

1935. Ibid. (Publ. 347), Zool. Ser., 13(Pt. VII):vi+541 pp., September 16.

1937. Catalogue of birds of the Americas and the adjacent islands. Ibid. (Publ. 381), Zool. Ser., 13(Pt. X):vi+228 pp., April 12.