Lord Philip Dormer Stanhope Chesterfield, Philip Dormer Stanhope Earl of Chesterfield (1855). “The Works of Lord Chesterfield: Including His Letters to His Son, Etc : to which is Prefixed, an Original Life of the Author”, p.224
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