Mathias, M. 1930. Studies in the Umbelliferae III. Annals of the Missouri Bot. Gard. 17(3,4) Sept - Nov. nos.3-4

Trembley, F. J. 1930. The gar-pike of Lake Champlain. Pp. 139-145 in E. Moore, A biological survey of the Champlain watershed. State of New York Conservation Department, Supplement to the 19th Annual Report (1929), Albany, New York.

Walther, E. Grapopetalon orpettii. 1930. J. Cact. & Succ. Soc. Amer. 1: 183-186.

Storer, T. I. 1930. Notes on the range and life-history of the Pacific fresh-water turtle, Clemmys marmorata. Univ. Calif. Publ. Zool. 32(5):429-441.

Poole, E. L. 1930. Winter nesting of the barn owl. Auk 47:84.

Nelson, E. W. and E. A. Goldman. 1929. A new wolf from Mexico. Journal of Mammalogy. 10:165-166.

Nice, M. M. 1929. The Harris' sparrow in central Oklahoma. Condor 31:57-61.

Friedmann, H. 1929. The cowbirds: a study in the biology of social parasitism. Charles C. Thomas, Publisher, Springfield, Illinois.

Bent, A.C. 1929. Life histories of North American shorebirds (Part II). U.S. Natl. Mus. Bull. 146. Washington, D.C.

Woodbury, A.M. 1929. The snails of Zion National Park. Nautilus 43:54-61.

Campbell, R.S. 1929. Vegetation succession in the Prosopis sand dunes of southern New Mexico. Ecology. X(4):392-398.

Chamberlin, R.V. and D.T. Jones. 1929. A descriptive catalog of the Mollusca of Utah. Bulletin of the University of Utah, [Biological Series 1(1)] 19(4): 1-203.

Shelley, L. O. 1929. Twig gathering of the Chimney Swift. Auk 46:116.

Hatt, R.T. 1929. The red squirrel: its life history and habits, with special reference to the Adirondacks of New York and Harvard Forest. New York State Col. For. at Syracuse Univ. Wild Life Annals, 2(1):1-146.

Swenk, M. H. and O. A. Stevens. 1929. The Harris' sparrow and the study of it by trapping. Wilson Bulletin 41:129-177.

Van Cleave, H.J. and H.C. Markus. 1929. Studies on the life history of the blunt-nosed minnow. American Naturalist 63(689): 530-539.

Watson, E.E. 1929. Contribution to a monograph of the genus Helianthus. Papers of the Michigan Academy of Science, Arts, Letters 9: 305-475.

Castetter, E.F. 1929. UNM Herbarium collection (3500)

Bailey, F.M. 1928. Birds of New Mexico. New Mexico Department of Game and Fish.

Danforth, S. T. 1928. Bird observations in Jamaica during the summer of 1926. Auk 45:480-491.

Cooke, W.W. p. 330-331 in: Bailey, F.M. 1928. Birds of NM. NM Dept. of Game and Fish.

Kraatz, W.C. 1928. Study of the food of the blunt-nosed minnow, Pimephales notatus. Ohio Journal of Science 28(2):86-98.

Bailey, V. 1928. Animal Life of the Carlsbad Cavern. Monographs of the American Society of Mammalogists, No. 3. 226 p.

Bailey, F. 1928. Birds of New Mexico. N.M. Dept. of Game & Fish, Santa Fe, NM. i-xxiv + 1-807

Pittman, H. H. 1927. The black terns of Saskatchewan. Condor 29:140-143.

Bent, A.C. 1927. Life histories of North American shorebirds (Part I). U.S. Natl. Mus. Bull. 142, Washington, D.C.

Wetmore, A. 1927. Our migrant shorebirds in southern South America. U.S. Department of Agriculture, Technical Bulletin No. 26, Washington, D.C. 24 pp.

Bailey, H. H. 1927. Data concerning the breeding range of certain marsh birds. Wilson Bulletin 39(3):176.

Klugh, A.B. 1927. Ecology of the red squirrel. J. Mamm. 8(l)1-32.

Wetmore, A. 1927. The birds of Porto Rico and the Virgin Islands. Scientific Survey of Porto Rico and the Virgin Islands, vol. 9, pt. 3, pp. 145-406. New York Acad. Sci.

Steele, E.S. 1927. Food of the Spotted Owl. The Condor. 29:123-124.

Forbush, E. H. 1927. Birds of Massachusetts and other New England States. Part 2: Land birds from bob-whites to Grackles. Massachusetts Department of Agriculture, Boston, Massachusetts. 461 pp.

Coronado National Forest. 1927. Report for Santa Catalina Research Natural Area. US Forest Service, 132 p.

Bowles, J. H., and F. R. Decker. 1927. A comparative field study of Wright's and Hammond's flycatchers. Auk 44:524-528.

Stewart, N.H. 1926. Development, growth, and food habits of the white sucker, Catostomus commersonii (LeSueur). Bulletin of the United Status Bureau of Fisheries 42:147-184.

Holman, F. C. 1926. Nesting of the California Pygmy Owl in Yosemite. condor 28:92-93.

Ligon, J.S. 1926. Habits of the Spotted Owl (Syrnium occidentale). The Auk. 43(4):421-429.

Winn, F. 1926. The west fork of the Gila River. Science. 64:16-17.

Hubbs, C.L. 1926. Studies of the fishes of the order Cyprinodotes. VI. Material for a revision of the American genera and species. Misc pub Mus Zool Univ Michigan no 16, pp 1-86.

Bent, A. C. 1926. Life histories of North American marsh birds. Bull. U.S. Nat. Mus. 135.

Howell, A. B. 1926. Voles of the genus Phenacomys. I. Revision of the genus Phenacomys. II. Life history of the red tree mouse (Phenacomys longicaudus). North American Fauna 48: i-iv, 1-66.

Urner, C. A. 1925. Notes on two ground-nesting birds of prey. Auk 42:31-41.

Randall, T. E. 1925. Abnormally large clutches of eggs of short-eared owl (Asio flammeus). Canadian Field Naturalist Monographs 39:194.

Anthony, H. E. 1925. Mammals of Porto Rico, living and extinct--Chiroptera and Insectivora. Sci. Surv. Porto Rico and the Virgin Islands. Vol. IX, Part 1, pp. 1-96. New York Acad. Sci.

Forbush, E. H. 1925. Birds of Massachusetts and other New England states. Part 1: Water birds, marsh birds and shore birds. Massachusetts Department of Agriculture, Boston, Massachusetts. 486 pp.

Bent, A.C. 1925. Life histories of North American wild fowl.Order: Anseres (Part II). U.S. Natl. Mus. Bull. 130. Washington, D.C.

Forbush, E. H. 1925-1929. Birds of Massachusetts and other New England states. 3 vols. Massachusetts Dept. Agric., Boston.

Chapin, E. A. 1925. Food habits of the vireos. U.S.D.A. Agricultural Bulletin. 42pp.

Fowler, H.W. 1925. Notes on North American Cyprinoid fishes. Proc Acad Nat Sci Phila. 76:389-416.

Johnson, C.E. 1925. The muskrat in New York: Its natural history and economics. Roosevelt Wildlife Bull., 3(2):205- 320.

Danforth, S. T. 1925. Porto Rican herpetological notes. Copeia (147):76-79.

Wetmore, A. 1924. Food and economic relations of North American grebes. U.S. Department of Agriculture, Bureau of Biol. Surv, Rep. Bull. No. 1196.

Dubois, A.D. 1924. A nuptial song flight of the short-eared owl. Auk 41:260-263.

Howell, A. H. 1924. Revision of the American pikas (genus Ochotona). North American Fauna 47:1-57.

Howell, A.H. 1924. Birds of Alabama. Dept. Game and Fish of Alabama, and U.S. Dept. Agric., Bur. Biol. Surv., Montgomery, Alabama. 348 pp.

Barnes, W. and F.H. Benjamin. 1924. Contributions to the Natural History of the Lepidoptera of North America 5(3): 99-199.

Record, S., and C. Mell. 1924. Timbers of Tropical America. New Haven: Yale University Press, U.S.A. 610 pages.

Casey, T.L. 1924. Additions to North American Coleoptera. Memoirs on the Coleoptera XI: 16 pp.

Van Denburgh, J. 1924. Notes on the herpetology of New Mexico, with a list of species known from that state. Calif. Acad. Sci. Proc. 13:189-230.

Ferriss, J.H. 1924. On the Rio Grande. The Nautilus. 38(2): 37-43.