Benjamin Franklin (1838). “The Works of Benjamin Franklin: Containing Several Political and Historical Tracts Not Included in Any Former Ed., and Many Letters Official and Private, Not Hitherto Published; with Notes and a Life of the Author”, p.48
François Danican Philidor, Sir William Jones, Benjamin Franklin (1824). “An Easy Introduction to the Game of Chess: Containing One Hundred Examples of Games and a Great Variety of Critical Situations and Conclusions ; Including the Whole of Philidor's Analysis with Copious Selections from Stamma, the Calabrois, &c”, p.237
Benjamin Franklin, William-Temple Franklin (1818). “Memoirs of the Life and Writings of (the Same), Continued to the Time of His Death by William Temple Franklin. - London, H. Colburn 1818”, p.204