Waterfowl ecology and management, Guy A. Baldassarre and Eric G. Bolen (1994), John Wiley & Sons Inc. 565 pages.
Adirondack Mammals. Saunders, D. A. (1988), State University of New York, College of Environmental Science and Forestry. 216pp.
Freshwater Fishes of the Northeastern United States. Werner, R.G. (2004), Syracuse University Press, Syracuse, New York. 335 p.
Amphibians and reptiles of New York State: Identification, natural history and conservation. Gibbs, J. P., A. R. Breisch, P. K. Ducey, G. Johnson, J. L. Behler, R. Bothner (2007), Oxford University Press. 504 pages.
Gathering Moss: A Natural and Cultural History of Mosses. R. W. Kimmerer (2003). Oregon State University Press, 176 pages
Native Trees of the Southeast. Kirkman, L.K., C.L. Brown and D.J. Leopold (2007), Timber Press, Portland, OR, 372 pages
Native Plants of the Northeast: A Guide for Gardening and Conservation. Leopold D.J. (2005) Timber Press, Portland, OR. 308 pages
Trees of New York. Native and Naturalized. Leopold, D.J. (2003), Syracuse University Press, Syracuse, NY. 322 pages
Harlow and Harrar’s Textbook of Dendrology. 9th ed., Hardin, J.W., D.J. Leopold, and F.M. White (2000), WCB/ McGraw-Hill, New York, NY. 544 pages.
Landowner Guide to State-protected Plants of Forests in New York State. Raynal, D.J. and D.J. Leopold. (1999), State University of New York, College of Environmental Science and Forestry, Syracuse, NY. 96 p.
Trees of the Central Hardwood Forests – An Identification and Cultivation Guide. Leopold, D.J., W.C. McComb, and R.N. Muller (1998), Timber Press, Inc., Portland, OR. 512 pages
The science of overabundance: deer ecology and population management. W.J. McShea, H.B. Underwood and J.H. Rappole (1997), Smithsonian Institution, Washington, DC.
Problem-solving in conservation biology and wildlife management. 2nd edition. Gibbs, J. P., M. L. Hunter, Jr., and E. J. Sterling (2008), Blackwell Science, Inc. 315 pages.
Fundamentals of conservation biology. 3rd edition. Hunter, M. L., and J. P. Gibbs (2007), Blackwell Science. 516 pages.
Monitoring plant and animal populations. C. L. Elzinga, D. W. Salzer, J. W. Willoughby, and J. P. Gibbs (2001), Blackwell Science, Inc. 360 pages.