Mortimer Collins, Frank Kerslake (1880). “Attic Salt, Or, Epigrammatic Sayings, Healthful, Humorous and Wise: In Prose and Verse, Collected from the Works of Mortimer Collins”
George Walker, Benjamin Franklin, William Stopford Kenny (1841). “The chess player: by George Walker; to which are added the three games played at one and the same time by Philidor; sixty openings, mates and situations, by W. S. Kenny, with remarks, anecdotes, &c. &c., and an explanation of the round chess board”, p.7