William Makepeace Thackeray, Edgar F. Harden (2007). “The English Humourists of the Eighteenth Century and Charity and Humour”, p.64, University of Michigan Press
Martin Farquhar Tupper (1857). “Complete poetical works: containing: Proverbial philosophy, A thousand lines, Hactenus, Geraldine, and miscellaneous poems. With a portrait of the author”, p.20
M. Scott Peck (2002). “The Road Less Traveled, 25th Anniversary Edition: A New Psychology of Love, Traditional Values, and Spiritual Growth”, p.19, Simon and Schuster