^Howe, Daniel Walker, What Hath God Wrought: The Transformation of America, 1815–1848. ISBN 978-0-19-507894-7, p. 623.
^ 4.04.1Henry David Thoreau : A Week on the Concord and Merrimack Rivers / Walden / The Maine Woods / Cape Cod, by Henry David Thoreau, Library of America, ISBN 978-0-940450-27-1
^Encyclopaedia of the Social Sciences, edited by Edwin Robert Anderson Seligman, Alvin Saunders Johnson, 1937, p. 12. Gross, David (ed.) The Price of Freedom: Political Philosophy from Thoreau's Journals p. 8, ISBN 978-1-4348-0552-2 ("The Thoreau of these journals distrusted doctrine, and, though it is accurate I think to call him an anarchist, he was by no means doctrinaire in this either.")
^Nelson, Randy F. The Almanac of American Letters. Los Altos, California: William Kaufmann, Inc., 1981: 51. ISBN 978-0-86576-008-0
^Walden, or Life in the Woods (Chapter 1: "Economy")
^Wayne, Tiffany K. Encyclopedia of Transcendentalism. Infobase Publishing. 2009: 75. ISBN 9781438109169.
^Cheever, Susan (2006). American Bloomsbury: Louisa May Alcott, Ralph Waldo Emerson, Margaret Fuller, Nathaniel Hawthorne, and Henry David Thoreau; Their Lives, Their Loves, Their Work. Detroit: Thorndike Press. Large print edition. p. 241. ISBN 978-0-7862-9521-0.
^Roderick Nash, Wilderness and the American Mind: Henry David Thoreau: Philosopher.
