Man and nature
Lord Byron. Manfred: A Dramatic Poem. London: John Murray, 1817, act 1, sc. 2, l. 37.
Lord Byron. "Manfred." Lord Byron: Selected Poems, edited by Susan J. Wolfson and Peter J. Manning. Penguin Classics, 2006, act 1, sc. 2, l. 37.
Fuller, Thomas. Gnomologia: Adages and Proverbs, Wise Sentences, And Witty Sayings. London: B. Barker, 1732, no. 2248.
Muir, John. Journal entry. July 1890.
Muir, John. Journal entry. July 1890.
Browne, Thomas, Sir. Religio Medici. London, 1643, pt. 2, sect. 11.
Browne, Thomas, Sir. "Religio Medici (1643)." Thomas Browne: Selected Writings, edited by Kevin Killeen. Oxford University Press, 2018, pt. 2, sect. 11.
The cartoon-strip character, Pogo the opossum, looking at litter under a tree. Used as an Earth Day poster in 1971.
Kelly, Walt. "We Have Met the Enemy…" Pogo. 22 Apr. 1970. Poster.
Kilvert, Francis. Diary entry. 29 May 1871.
Fuller, Richard Buckminster. "Bucky Fuller Gives Us 8 Years." Interviewed by Larry Batson. Minneapolis Tribune, 30 Apr. 1978.
Berry, Wendell. "The Peace of Wild Things." Openings. Harcourt, Brace & World, 1968.
Stegner, Wallace. Letter to David E. Pesonen. 3 Dec. 1960.
Durrell, Lawrence. Justine. Faber & Faber/E. P. Dutton, 1957.
Becker, Carl. Progress and Power. A. A. Knopf, 1936.
Pascal, Blaise. Pensées [Thoughts]. Paris: Chez G. Desprez, 1670, no. 72.
Pascal, Blaise. "Pensées." Pensées and Other Writings, edited by Anthony Levi, translated by Honor Levi. Oxford University Press, 2008, no. 72.
Monet, Claude. The Artist in His Studio, written by Alexander Liberman. Viking Press, 1960.
Adams, John Quincy. "Inaugural Address." 4 Mar. 1825, House Chamber, US Capitol Building, Washington, DC, USA.
Thorne, Robert. Letter to Dr. Ley. c. 1527.
Thorne, Robert. Quoted in Voyages and Discoveries: The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation, by Richard Hakluyt. Penguin Books, 1972.
Lewis, Sinclair. Main Street. Harcourt, Brace and Howe, 1920, ch. 13.
Lewis, Sinclair. "Main Street." Sinclair Lewis: Main Street and Babbitt, edited by John Hersey. Library of America, 1992, ch. 13.
Pynchon, Thomas. Gravity's Rainbow. Viking Press, 1973.
Stegner, Wallace. "The Best Idea We Ever Had." Marking the Sparrow's Fall: The Making of the American West. H. Holt, 1998, p. 137.