Etzler'S Paradise Seen Through Thoreau's Eyes

Emerson Ralph Waldo , The Collected Works. Cambridge, MA and London, England: The Belknap Press of Harvard University Press, 1979.

Etzler John Adolphous , The Paradise Within the Reach of All Men. Without Tabor. by Powers of Nature and Machinery. An Address to All Intelligent Men, 2nd English edition. London: J. Cleave, 1842.

Thoreau Henry David , Miscellanies. Boston, MA and New York: Houghton, Mifflin and Company, 1895.