Rising 1996, p. 65. Rising, J. D. (1996), A guide to the identification and natural history of the sparrows of the United States and Canada, New York, NY: Academic Press, ISBN0125889712
Rising 1996, p. 66. Rising, J. D. (1996), A guide to the identification and natural history of the sparrows of the United States and Canada, New York, NY: Academic Press, ISBN0125889712
Rising 1996, p. 67. Rising, J. D. (1996), A guide to the identification and natural history of the sparrows of the United States and Canada, New York, NY: Academic Press, ISBN0125889712
Schnase et al. 1991; Schnase 1984 Schnase, J. L.; Grant, W. E.; Maxwell, T. C.; Leggett, J. J. (1991), "Time and energy budgets of Cassin's Sparrow (Aimophila cassinii) during the breeding season: evaluation through modelling", Ecological Modelling, 55 (3–4): 285–319, doi:10.1016/0304-3800(91)90091-E Schnase, J. L. (1984), The breeding biology of Cassin's Sparrow in Tom Green County, Texas. Master's thesis, Angelo, TX: Angelo State University
Dunning et al. 2000; Kaufman 1996; Bock, Bock & Grant 1992; Oberholser 1974; Williams & LeSassier 1968 Dunning, J. B. Jr.; Bowers, R. K. Jr.; Suter, S. J.; Bock, C. E. (2000), "Cassin's Sparrow (Aimophola cassinii)", in A. Poole; F. Gill (eds.), In The Birds of North America, No. 471, Philadelphia, P.A: The Birds of North America, Inc. Kaufman, K. (1996), Lives of North American birds, Boston, MA: Houghton Mifflin, ISBN0618159886 Bock, C. E.; Bock, J. H.; Grant, M. C. (1992), "Effects of Bird Predation on Grasshopper Densities in an Arizona Grassland", Ecology, 73 (5): 1706–1717, doi:10.2307/1940022, JSTOR1940022 Oberholser, H. C. (1974), The bird life of Texas, Austin, TX: University of Texas Press Williams, F. C.; LeSassier, A. L. (1968), "Cassin's Sparrow", in Oliver L. Austin (ed.), Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies, New York, NY: Dover Publications, pp. 981–990
Pyle 1997; American Ornithologists' Union 1957; Dunning et al. 2000; Ruth 2000, p. 3 Pyle, P. (1997), Identification guide to North American birds, California: Slate Creek Press, ISBN0961894024 American Ornithologists' Union (1957), Check-list of North American Birds (5th ed.), Washington, D.C.: American Ornithologists' Union Dunning, J. B. Jr.; Bowers, R. K. Jr.; Suter, S. J.; Bock, C. E. (2000), "Cassin's Sparrow (Aimophola cassinii)", in A. Poole; F. Gill (eds.), In The Birds of North America, No. 471, Philadelphia, P.A: The Birds of North America, Inc. Ruth, Janet M. (March 2000), Cassin's sparrow status assessment and conservation plan, U.S. Fish and Wildlife Service, Biological Technical Publication BTP-R6002-2000, retrieved 25 May 2024
Dunning et al. 2000; Kaufman 1996; Bock, Bock & Grant 1992; Oberholser 1974; Williams & LeSassier 1968 Dunning, J. B. Jr.; Bowers, R. K. Jr.; Suter, S. J.; Bock, C. E. (2000), "Cassin's Sparrow (Aimophola cassinii)", in A. Poole; F. Gill (eds.), In The Birds of North America, No. 471, Philadelphia, P.A: The Birds of North America, Inc. Kaufman, K. (1996), Lives of North American birds, Boston, MA: Houghton Mifflin, ISBN0618159886 Bock, C. E.; Bock, J. H.; Grant, M. C. (1992), "Effects of Bird Predation on Grasshopper Densities in an Arizona Grassland", Ecology, 73 (5): 1706–1717, doi:10.2307/1940022, JSTOR1940022 Oberholser, H. C. (1974), The bird life of Texas, Austin, TX: University of Texas Press Williams, F. C.; LeSassier, A. L. (1968), "Cassin's Sparrow", in Oliver L. Austin (ed.), Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies, New York, NY: Dover Publications, pp. 981–990
Kaufman 1990; Schnase 1984; Wolf 1977 Kaufman, K. (1990), Advanced birding, Boston, MA: Houghton Mifflin Schnase, J. L. (1984), The breeding biology of Cassin's Sparrow in Tom Green County, Texas. Master's thesis, Angelo, TX: Angelo State University Wolf, L. L. (1977), Species relationships in the avian genus Aimophila, Ornithological Monographs, vol. 23, Baltimore, MD: American Ornithologists' Union, pp. 1–220
