1874. On certain muscles in the thigh of birds and their value in classification. Ibid., Part II:111-123.
1929. The colorimetric determination of serum proteins. J. Biol. Chem., 82:545-550.
1935. Catalogue of birds of the Americas. Field Mus. Nat. Hist., Zool. ser. 13, pt. 8, vi + 541 pp.
1936. Catalogue of birds of the Americas. Ibid., 13, pt. 9, v + 458 pp.
1937. Catalogue of birds of the Americas. Ibid., 13, pt. 10, v + 228 pp.
1938. Catalogue of birds of the Americas. Ibid., 13, pt. 11, vi + 662 pp.
1929. The avifauna of the Emeryville shellmound. Univ. California Publ. Zool., 32:301-394, 3 pls., 54 figs.
1937. Studies on the muscles of the pelvic appendage in birds. Amer. Mid. Nat., 18:1-108, 26 pls.
1953. Evolutionary patterns of antigenic substances of the blood corpuscles in Columbidae. Evol., 7:31-50.
1936. Immunogenetic studies of species and of species hybrids in doves, and the separation of species-specific substances in the backcross. Jour. Exp. Zool., 73:85-108, 1 fig.
1949. Comparative serology of some brachyuran crustacea and studies in hemocyanin correspondence. Biol. Bull., 97:273-286, 3 figs.
1953. Some effects of formalin on the serological activity of crustacean and mammalian sera. Jour. Immun., 70:386-392, 2 figs.
1938. The photronreflectometer--an instrument for the measurement of turbid systems. Jour. Immun., 34:71-73, 1 fig.
1952. Serological relationships among domestic fowl as shown by comparisons of protein preparations from corresponding organ systems. Trans. Kansas Acad. Sci., 55:439-444, 1 fig.
1945. Further division of contrasting antigens in species hybrids in ducks. Genetics, 30:252-265.
1928. Serological examination of the blood-relationship between wild and domestic ducks. Jour. Dept. Agri., Kyushu Imp. Univ., 2:117-132.
1944. Tempo and mode in evolution. Columbia Univ. Press, New York, xviii + 237 pp., 36 figs.
1924. [On the Fringillidae and allied groups.] Bull. British Ornith. Club, 45:36-39.
1925. The evening grosbeak (Hesperiphona), the only American genus of a Palaearctic group. Auk, 42:256-261, 2 figs.
1954. A systematic study of the avian family Fringillidae, based on the structure of the skull. Univ. Michigan Mus. Zool. Misc. Publ. No. 81:1-42, 77 figs.