William Stanley Jevons's reflections on his earlier life, written when he was 27 (December 1862); later published in "Letters and Journal of W. Stanley Jevons" edited by Harriet A. Jevons, his wife (p. 12), 1886.
Annie Barrows, Mary Ann Shaffer (2011). “The Guernsey Literary and Potato Peel Pie Society (Random House Reader's Circle Deluxe Reading Group Edition): A Novel”, p.12, Dial Press