Allen, A.A. 1939. Golden plover and other birds. 240 pp.

Niedrach, R. J., and R. B. Rockwell. 1939. The birds of Denver and mountain parks. Denver Museum of Natural History Popular Series No. 5. 203 pp.

Miller, R. R. 1938. Record of the fresh-water minnow APOCONE NEVADENSIS from southeastern California. Copeia 1938:147.

Sargent, W. D. 1938. Nest parasitism of hawks. Auk 55:82-84.

Dickey, D.R., and A.J. Van Rossem. 1938. The birds of El Salvador. Publ. Field Museum of Nat. His. Zool. Ser. 23:185-187.

Ahrens, C. 1938. A list of dragonflies taken during the summer of 1936 in western United States (Odonata). Entomological News. 49:9-16.

Van der Schalie, H. 1938a. The naiad fauna of the Huron River in southeastern Michigan. Miscellaneous Publication of the Museum of Zoology, University of Michigan 40:7-78.

Snyder, L.L., and C.E. Hope. 1938. A predator-prey relationship between the short-eared owl and the meadow mouse. Wilson Bulletin 50:110-112.

Bennett, L.J. 1938. The blue-winged teal: its ecology and management. Ames, Iowa. 144pp.

Whitfield, C.J and E.L. Beutner. 1938. Natural vegetation in the desert plains grassland. Ecology. 19(1):26-37.

Bent, A. C. 1938. Life histories of North American birds of prey. Part 2. U.S. Nat. Mus. Bull. 170. 482 pp., 92 pls.

Emerson, S. 1938. The genetics of self-incompatibility in Oenothera organensis. Genetics 23:190-202.

Witherby, H. F., F. C. R. Jourdain, N. F Tcehurst, and B. W. Tucker. 1938. The Handbook of British Birds. Volume 2: Warblers to Owls. H. F. and G. Witherby Ltd., London, United Kingdom. 352 pp.

Bradt, G. W. 1938. A study of beaver colonies in Michigan. Journal of Mammalogy 19:139-62.

Brewster, W. 1938. The birds of Lake Umbagog region of Maine, part 4. Compiled by Ludlow Griscom. Bull. Mus. Comp. Zool. 66:525-620.

Britton, N.L., and J.N. Rose, 1937. The Cactaceae: Descriptions and illustations of the plants of the cactus family. Dover reprint edition: Two volumes. Dover Publications, Inc. New York.

Walkinshaw, L.H. 1937. LeConte's Sparrow breeding in Michigan and South Dakota. Auk 54:309-320.

Koster, W. J. 1937. The food of the sculpin (Cottidae) in central New York. Transactions of the American Fisheries Society. 66:374-382.

Stone, W. 1937. Bird studies at Old Cape May: an ornithology of coastal New Jersey. Dover Publ., New York.

Nicholson, D. J. 1937. Notes on the breeding of the ground dove in Florida. Wilson Bull. 49:101-114.

Voss, J.W. 1937. A revision of the Phacelia crenulata group for North America. Bulletin of the Torrey Club, 64: 81-144.

Cartwright, B.W., T.M. Shortt, and R.D. Harris. 1937. Baird's sparrow. Trans. Royal Canad. Inst. 21:153-197.

Dixon, J. B. 1937. The golden eagle in San Diego County, California. Condor 39:49-56.

DuBois, A.D. 1937. The McCown Longspurs of a Montana prairie. Condor 39:233-238.

Bagg, A. C., and S. A. Eliot, Jr. 1937. Birds of the Connecticut Valley in Massachusetts. The Hamphire Bookshop, Northampton, Massachusetts. 813 pp.

Griscom, L. 1937. A monographic study of the red crossbill. Proc. Boston Soc. Nat. Hist. 41:(5). 133 pp.

Hahn, H. W. 1937. Life history of the oven-bird in southern Michigan. Wilson Bulletin 49:145-237.

Grinnell, J., J. S. Dixon, and J. M. Linsdale. 1937. Furbearing mammals of California. University of California Press, Berkeley. 2 vols.

Hubbs, C. L. and E. R. Kuehne. 1937. A new fish of the genus Apocope from a Wyoming warm spring. Occasional Papers of the Museum of Zoology, University of Michigan 343:1-21.

Linsdale, J.M. 1937. The natural history of magpies. Pacific Coast Avifauna, No. 25. 234 pp.

Barbour, T. 1937. A Pine Warbler killed by arsenical spray. Auk 54:542-43.

Bent, A.C. 1937. Life histories of North American birds of prey. Part 1. Bull. U.S. Natl. Mus. 137. 409 pp.

Koster, W. J. 1936. The life history and ecology of the sculpins (Cottidae) in central New York. Ph.D. thesis, Cornell University, Ithaca, New York

Collier, Albert. 1936. The mechanism of internal fertilization in Gambusia. Copeia 1936:45-53.

Walkinshaw, L.H. 1936. Notes on the Field Sparrow in Michigan. Wilson Bulletin 48:94-101.

Peters, H.S. 1936. A list of external parasites from birds of the eastern part of the United States. Bird-Banding 7:9-27.

DeGaris, C. F. 1936. Notes on six nests of the Kentucky warbler (OPORORNIS FORMOSUS). The Auk 53:418-28.

Pettingill, O. S., Jr. 1936. The American woodcock PHILOHELA MINOR (Gmelin). Mem. Boston Soc. Nat. Hist. 9:169-391.

Stoner, D. 1936. Studies on the bank swallow RIPARIA RIPARIA (Linnaeus) in the Oneida Lake region. Roosevelt Wild Life Annals 4(2), 112 pp.

Cliff, E. P. 1936. The beaver, empire builder and conservationist. Utah Juniper 7:23-26.

Davis, H. B. 1936. Life and work of Cyrus Guernsey Pringle. Univ. of Vermont, Burlington. 756 pp.

Ellis, M.M. 1936. Erosion silt as a factor in aquatic environments. Ecology, 17: 29-42.

Errington, P. L., and F. N. Hammerstrom, Jr. 1936. The northern bob-white's winter territory. Iowa State Univ. Press. 141 pp.

Roberts, T. S. 1936. The birds of Minnesota. Volume 1. University of Minnesota Press, Minneapolis, Minnesota.

Henderson, J. 1936. Mollusca of Colorado, Utah, Montana, Idaho, and Wyoming, supplement. University of Colorado Studies, 23(2): 81-145.

Shields, T.E. 1935. A study of the Savannah Sparrow in West Virginia. Wilson Bulletin 47:35-42.

Hicks, L. E. 1935. Distribution of the breeding birds of Ohio. Ohio State Univ. Studies, Vol. XL, November 10, 1935, No. 5; Ohio Biological Survey Bull. 32(Vol. VI(3)).

Sheppard, R. W. 1935. Midsummer bird notes from Long Point, Norfolk, Co., Ontario. The Auk 52:196-7.

Backeberg, C. and F. M. Knuth. 1935. Kaktus-ABC, en Haandbog for Fagfolk og Amatorer. Nordisk. Copenhagen (?).

Bailey, F. M. 1935. Handbook of birds of the western United States. Houghton Mifflin Company, Boston and New York.

Breckenridge, W. J. 1935. An ecological study of some Minnesota marsh hawks. Condor 37:268-76.

Coronado National Forest RNA Administration Unit. 1935. Butterfly Peak Natural Area. US Forest Service, 12 p.

Goddard, T. R. 1935. A census of short-eared owls (Asio flammeus) at Newcastle, Roxburgshire. Journal of Animal Ecology 4:113-118.

Hubbs, C.L. and G.P. Cooper. 1935. Age and growth of the long-eared and the green sunfishes in Michigan. Papers of the Michigan Academy of Science, Arts and Letters 20(1934):669-696, pl. 104-107.

Walkinshaw, L. R. 1935. Studies of the short-billed marsh wren (Cistothorus stellaris) in Michigan. Wilson Bulletin 52:361-368.

DuBois, A.D. 1935. Nests of Horned Larks and longspurs on a Montana prairie. Condor 37:56-72.

Arthur, E. W. 1934. Courtship dance of the pileated woodpecker. Cardinal 3:173.

Bird, Henry, 1934. Decline of the noctuid genus Papaipema. Annals of the Entomological Society of America XXVII, no.4: 551-555.

Rees, D. M. 1934. Notes on mosquito fish in Utah. Gambusia affinis (Baird and Girard). Copeia 1934:157-9.

Dixon, J. B. 1934. Nesting of the Clark nutcracker in California. Condor 36:229-234.