Harrison, H.H. 1975. A field guide to bird's nests in the U.S. east of the Mississippi River. Houghton Mifflin Company, Boston, Massachusetts. 257 p.

Dolbeer, R. A., and W. R. Clark. 1975. Population ecology of snowshoe hares in the central Rocky Mountains. Journal of Wildlife Management 39:535-549.

Rideout, C.B., and R.S. Hoffmann. 1975. OREAMNOS AMERICANUS. Mammalian Species 63:1-6.

Martin, R. G. Sexual and aggressive behavior, density and social structure in a natural population of mosquitofish, Gambusia affinis holbrooki. Copeia 1975:445-54.

Medica, P. A. 1975. Rhinocheilus, R. lecontei. Cat. Am. Amph. Rep. 175.1-175.4.

Conway, M. 1975. New Mexico's endangered fishes. New Mexico Wildlife May - June. pp 18-23.

Grzimek, B. 1975. Grzimek's animal life encyclopedia. Van Nostrand Reinhold Co., New York, NY.

Howe, W.H. 1975. The butterflies of North America. Doubleday, New York. 633 pp.

Dwight, J. 1975. Sequence of plumages and moults of the passerine birds of New York. Annal. New York Acad. Sci. XIII(2):73-360.

Rummel, L., and C. Goetzinger. 1975. The communication of intraspecific aggression in the common loon. Auk 92:333-46.

Mason, I. L. 1975. Beefalo: much ado about nothing? World Rev. of Animal Production 11(4):19-23.

Merkle, D. A. 1975. A taxonomic analysis of the Clemmys complex (Reptilia: Testudines) utilizing starch gel electrophoresis. Herpetologica 31:162-166.

Crawford, J. A., and E. G. Bolen. 1975. Spring lek activity of the lesser prairie chicken in west Texas. Auk 92:808-810.

Cross, J. N. 1975. Ecological distribution of the fishes of the Virgin River (Utah, Arizona, Nevada). University of Nevada, Las Vegas, Nevada. M.S. Thesis. 187 pp.

Lamb, S.H. 1975. Woody plants of the Southwest, a field guide with descriptive text, drawings, range maps and photographs. The Sunstone Press, Santa Fe.

Erskine, A.J. 1975b. Black cottonwood floodplain forest. American Birds 29:1132-1133.

Runnels, S.R. 1975. Rose-throated Becard in Jeff Davis County, Texas. Condor 77(2):221.

Meslow, E.C., and H.M. Wight. 1975. Avifauna and succession in Douglas-fir forests of the Pacific Northwest. Pages 266-271 in D.R. Smith, coordinator. Proceedings of the symposium on management of forest and range habitats for nongame birds. USDA Forest S

Rittschoff, D. 1975. Some aspects of the natural history and ecology of the leopard frog, Rana pipiens. Ph.D. Thesis, Univ. Mich. 212 pp.

Crockett, A. B. and H. H. Hadow. 1975. Nest site selection by Williamson and red-naped sapsuckers. Condor 77(3):365-368

Fjeldsa, J. 1975. Grebes. Villadsen and Christensen, Hvidovre, Denmark. 64 pp.

Murray, H.D. 1975. Melanoides tuberculata (Muller), Las Moras Creek, Brackville, Texas. Bulletin of the American Malacological Union, 1975: 43.

Luer, C.A. 1975. The native orchids of the United States and Canada excluding Florida. New York Botanical Garden. 361 pp.

Stewart, R. E. 1975. Breeding Birds of North Dakota. Tri-College Center for Environmental Studies, Fargo ND.

Martin, S.C. 1975. Ecology and management of southwestern semi-desert grass-shrub ranges: the status of our knowledge. Research Paper RM-156. Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO.

Freidmann, H., and Smith, F.D. 1975. A further contribution to the ornithology of northeastern Venezuela. Proceedings of the United States National Museum 104:463-524.

Schaffer, W.M. and P.F. Elson. 1975. The adaptive significance of variations in life history among local populations of Atlantic salmon in North America. Ecology 56(3): 577-590.

Radke, W. J. 1975. Opportunistic feeding of the Gila Woodpecker. Wilson Bulletin 87:275-276.

Schipper, W. J. A., L. S. Buurma, and P. H. Bossenbroek. 1975. Comparative study of hunting behavior of wintering hen harriers Circus cyaneus and marsh harriers Circus aeruginosus. Ardea 63:1-29.

Egoscue, H. J. 1975. Population dynamics of the kit fox in western Utah. Bulletin of the Southern California Academy of Science 74:122-127.

Kelleyhouse, D. G. 1975. Habitat utilization and ecology of the black bear in northern California. M.S. Thesis, Humboldt State University, Arcata. 60pp.

Parker, W.S. and E.R. Pianka. 1975. Comparative ecology of populations of the lizard Uta stansburiana. Copeia 1975 (4):615-632.

Luer, C.A. 1975. The native orchids of the United States and Canada, excluding Florida. New York Botanical Garden. New York.

S51CASSBNMUS, Legacy reference. Physical copy not yet located.

Mount, R. H. 1975. The reptiles and amphibians of Alabama. Auburn University Agricultural Experiment Station, Auburn, Alabama. vii + 347 pp.

Cooper, J. A. 1975. Behavioral aspects of the life history of the Illinois mud turtle ( Kinosternon flavescens spooneri). Drake University, Des Moines, IA. M.S. Thesis.

MacNamara, M. C. and W. N. Harman. 1975. Further studies of the Mollusca of the Otsego Lake area. The Nautilus 89(3):87-90.

Welsh, D.A. 1975. Savannah Sparrow breeding and territoriality on a Nova Scotia dune beach. Auk 92:235-251.

Shake, W.F., and J.P. Mattsson. 1975. Three years of cowbird control: an effort to save the Kirtland's Warbler. Jack-Pine Warbler 53:48-53.

Schroeder, M.H., and D.L. Sturges. 1975. The effect on the Brewer's sparrow of spraying big sagebrush. Journal of Range Management 28:294-297.

Fisk, E. J. 1975. Least tern: beleaguered, opportunistic, and root nesting. American Birds 29(1):15-16.

Pearson, A. M. 1975. The northern interior grizzly bear URSUS ARCTOS L. Canadian Wildlife Service Report Series, no. 34, 86 pp.

Paul, R. T., A. J. Meyerriecks, and F. M. Dunstan. 1975. Return of reddish egrets as breeding birds in Tampa Bay, Florida. Florida Field Naturalist 3:9-10.

Luer, C.A. 1975. The native orchids of the United States and Canada. New York Botanical Gardens.

Nethersole-Thompson, D. 1975. Pine Crossbills: a Scottish contribution. T. and A. D. Poyser, Berkhamsted, U.K.

Collins, J. T. 1974. Amphibians and reptiles in Kansas. University of Kansas Publication Museum Natural History. Publ. Education Series 1:1-283.

Nussbaum, R. A., and R. F. Hoyer. 1974. Geographic variation and the validity of subspecies in the rubber boa, Charina bottae (Blainville). Northwest Sci. 48:219-229.

Harmeson, J.P. 1974. Breeding ecology of the Dickcissel. Auk 91:348-359.

Doebel, J., and B. McGinnes. 1974. Home range and activity of a gray squirrel population. Journal of Wildlife Management 38:860-67.

Weintraub, J. D. 1974. Movement patterns of the red-spotted toad, Bufo punctatus. Herpetologica 30:212-215.

Swickard, D. K. 1974. An evaluation of two least tern nesting sites. California Fish and Game 60:88-90.

Metcalf, A.L. and R.A. Smartt. 1974. Gastropods of Howell's Ridge, Grant County, NM: A fauna in the process of extinction? The SW Naturalist, 19(1):57-64.

Snow, C. 1974. Habitat management series for unique or endangered species, Report No. 9, Gyrfalcon FALCO RUSTICOLUSL.. Bureau of Land Management, U.S. Dept. of Int., TechnicalNote, T-N-241, Denver.

Ferlatte, W.J. 1974. A flora of the Trinity Alps of northern California. University California Press, Berkeley. 206 pp.

Best, L.B. 1974. Breeding ecology of the Field Sparrow (Spizella pusilla). Ph.D. dissertation. University of Illinois, Urbana, IL. 163 pp.

Boyce, M. 1974. Beaver population ecology in interior Alaska. M.S. thesis, University of Alaska, Fairbanks. 161 pp.

Cronquist, A. 1974. Revision of the North American species of Erigeron, north of Mexico. Brittonia 6(2):121-302.

Ogden, J. C. 1974. The short-tailed hawk in Florida. I: migration, habitat, hunting techniques, and food habits. Auk 91:95-110.

Johnson, G.L. and R.L. Packard. 1974. Electrophoretic analysis of PEROMYSCUS COMANCHE Blair, with comments on its systematic status. Occas. Papers Mus., Texas Tech Univ., 24:1-16.

Fuller, S.L.H. 1974. Chapter 8: Clams and mussels (Mollusca: Bivalvia). Pages 215-273 in: C.W. Hart, Jr. and S.L.H. Fuller (eds.) Pollution Ecology of Freshwater Invertebrates. Academic Press: New York. 389 pp.