Theory
“Some Lives and Some Theories,” in Identity and the Natural Environment: The Psychological Significance of Nature, ed. Susan Clayton and Susan Opotow, Cambridge, Mass.: The MIT Press, 2003 Find a copy in your local library via WorldCat Read online from MIT Press (access required) Free PDF: Holmes – Some Lives and Some Theories
“Autobiography,” entry in the Encyclopedia of Religion and Nature, Bron Taylor and Jeffrey Kaplan, general editors, New York: Continuum International, 2005 Find in your local library Read online (access required) Free PDF of unedited author MS: Holmes – Autobiography – Encyc Rel and Nature
Practice
Of course, my central case-study for these ideas has been John Muir! But I have explored the lives of other individuals as well:
“George Bucknam Dorr: Brief Life of a Persistent Conservationist: 1853-1944,” Harvard Magazine, Sept. –Oct. 2016 Read online (open access)
Book review: Larry J. Anderson, Benton MacKaye: Conservationist, Planner, and Creator of the Appalachian Trail, in Environmental History, October 2004 Read at JSTOR (access required)