Henry David Thoreau (2017). “Journeys, Adventures & Life in Harmony with Nature – 6 Book Collection (Illustrated): Including Walden, A Week on the Concord and Merrimack Rivers, The Maine Woods, Cape Cod, A Yankee in Canada & Canoeing in the Wilderness - North American Highlands Series”, p.199, e-artnow
Benjamin Franklin (1848). “The works of Dr. Benjamin Franklin: Consisting of essays, humorous, moral, and literary: with his life, written by himself”, p.209, S. Andrus
Robert Louis Stevenson, Lloyd Osbourne, Fanny Van de Grift Stevenson (1915). “"Virginibus puerisque," and othe other papers. Memories and portraits. Familiar studies of men and books”