1. Statistical Methods for the Social Sciences;Agresti,2008
2. Nature Unbound: Conservation, Capitalism, and the Future of Protected Areas;Brockington,2008
3. Ranching as a conservation strategy: can old ranchers save the new west?;Brunson;Rangeland Ecology and Management,2008
4. The Conservation Easement Handbook;Byers,2005
5. 2010 National Land Trust Census Report: A Look at Voluntary Land Conservation in America;Chang,2011