Laura Ingalls Wilder (2006). “Writings to Young Women on Laura Ingalls Wilder - Volume Three: As Told By Her Family, Friends, and Neighbors”, p.25, Thomas Nelson Inc
William Shenstone (1765). “Essays on men and manners. A description of the Leasowes, the seat of the late William Shenstone, esq., by R. Dodsley. Verses to Mr. Shenstone”, p.142
Alexander Pope (1823). “An Essay on Man: In Four Epistles, to Henry St. John, Lord Bolingbroke : to which is Added, The Universal Prayer, with Other Poems”, p.20