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Bibby, C. J., N. D. Burgess, and D. A. Hill.  1993.  Bird Census Techniques.
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Cody, M. L.  1966.  The consistency of intra- and inter-continental grassland 
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Heibert, R. D. (Workshop facilitator and technical editor).  1998.  
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Herkert, J. R.  1994.  Breeding bird communities of Midwestern prairie 
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Herkert, J. R., R. E. Szafoni, V. M. Kleen, and J. E. Schwegman.  1993.  
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James, D. C. and H. Shugart, Jr.  1970.  A quantitative method of habitat 
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Johnson, D. H., and  L. D. Igl (Series Coordinators).  1999.  Effects of 
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Knopf, F. L.  1994.  Avian assembleges on altered grasslands.  Studies in Avian 
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Knopf, F. L., and F. B. Sampson.  1997.  Conservation of grassland vertebrates.  
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Peterjohn, B. G.  1994.  The North American Breeding Bird Survey.  Birding 
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Ralph, C. J., S. Droege, and J. R. Sauer.  1995.  Managing and monitoring birds 
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Ralph, C. J., G. R. Geupel, P. Pyle, T. E. Martin, and D. F. DeSante.  1993.  
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Rotenberry, J. T. and J. A. Weins.  1980.  Habitat structure, patchiness, and 
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Sample, D. W. and M. J. Mossman.  1997.  Managing habitat for grassland birds: 
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Sauer, J. R., J. E. Hines, I. Thomas, J. Fallon, and G. Gough.  1999.  The 
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Swengel, S. R.  1996.  Management responses of three declining sparrows in 
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Weins, J. A.  1973.  Pattern and process in grassland bird communities.  
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Zimmerman, J. L.  1992.  Density-independent factors affecting the avian 
     diversity of the tallgrass prairie community.  Wilson Bulletin 104:85-94.

Zimmerman, J. L.  1993.  The Birds of Konza: The Avian Ecology of the Tallgrass 
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Zimmerman, J. L.  1997.  Avian community responses to fire, grazing, and 
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