Naturalism: A Brief Introduction  
   Site includes selected bibliography and excellent definitions of Naturalism by Frank Norris and Lars Ahnebrink.
   http://www.csustan.edu/english/reuben/pal/chap6/6intro.html

Selected Short Bibliography of American Literary Naturalism  
   Gonzaga University bibliography of naturalism.
   http://www.gonzaga.edu/faculty/campbell/enl413/natbib.htm

EnviroArts  
   Emphasizes the literary and visual arts in relation to nature, with poetry and essays by contemporary authors (culled mostly from the pages of Orion and Orion Afield magazines--which co-sponsor this site) and information on historic naturalism and natural
   http://arts.envirolink.org/

Naturalism  
   A definition of naturalism from the "Glossary of Literary Theory" by Greig E. Henderson and Christopher Brown.
   http://www.library.utoronto.ca/utel/glossary/Naturalism.html