Journal editions
- The Journal of Henry David Thoreau. 14 Volumes, edited by Bradford Torrey and Francis Allen (Boston: Houghton Mifflin, 1906). Available online at The Walden Woods Project
- Henry D. Thoreau, Journal, in 8 Volumes. The Writings of Henry D Thoreau, edited by Elizabeth Hall Witherell, et. al. (Princeton UP, 1981-).
- Online Journal Transcripts, The Thoreau Edition, ed. Elizabeth Hall Witherell
- Online Journal Manuscripts, The Thoreau Edition, ed. Elizabeth Hall Witherell
Websites
- Digital Thoreau [Walden], (Paul Schacht, et. al.)
- Mapping Thoreau Country, (Susan E. Gallagher)
Thoreau, Naturalist and Scientist
- Robert F. Stowell and William L. Howarth, A Thoreau Gazetteer (Princeton: Princeton UP, 1970).
- Laura Dassow Walls, Seeing New Worlds: Henry David Thoreau and Nineteenth-Century Natural Science (Madison: U of Wisconsin P, 1995).
Context
- Raymond R. Boorst, The Thoreau Log: A Documentary Life of Henry David Thoreau (New York: G.K. Hall & Co., 1992).
- William E. Cain, editor, A Historical Guide to Henry David Thoreau (New York: Oxford UP, 2000).
- Patrick Chura, Thoreau the Land Surveyor (Gainesville: UP of Florida, 2010).
- Robert A. Gross, The Transcendentalists and Their World (New York: Farrar, Straus and Giroux, 2021)
Biography
- Walter Harding, The Days of Henry Thoreau (New York: Alfred A. Knopf, 1970).
- Sandra H. Petrulionis, editor, Thoreau in his Own Time: A Biographical Chronicle of His Life, Drawn from Recollections, Memoirs, and Interviews by Friends and Associates (Iowa City: Iowa U, 2012).
- Robert D. Richardson, Jr., Henry David Thoreau: A Life of the Mind (Berkeley: U of California P, 1986).
- Laura Dassow Walls, Henry David Thoreau: A Life (U of Chicago P, 2017).