Inscription: On the reverse of the blade: LIGER fourbisseu de S: A Msgr Le Duc de Chartre & Comte de Clermont Rue Coquilliere à Paris; on the grip: Congress to Col. Willet Oct. 11 1777.
Marking: Paris silver marks include: (1) crowned P with 85 (on base of grip, pas d'ane and shell guard; wardens mark for 1785–86; (2) interlaced L's (on base of grip, pas d'ane, and shell guard; charge mark for small work, 1783-1789); (3) a parrot's head (on button of pommel, knuckleguard and base of grip; discharge mark for small work, 1786–1789); (4) maker's mark consisting of the letters CL, surmounted by dots, flanking a sword in pale the point in chief (on pas d'ane and shell guard).
United States Continental Congress. Journals of the Congress: Containing the Proceedings from January 1st, 1777, to January 1st, 1778 (1778), p. 412.
The Metropolitan Museum of Art. "Recent Accessions." The Metropolitan Museum of Art Bulletin (July 1917), pp. 159–60.
Dean, Bashford. Catalogue of European Court Swords and Hunting Swords: Including the Ellis, De Dino, Riggs, and Reubell Collections. New York: The Metropolitan Museum of Art, 1929. p. 44, no. 88 (a smallsword by the same maker, with an almost identical inscription).
Belote, Theodore T. American and European Swords in the Historical Collections of the United States National Museum. Washington: U.S. Government Printing Office, 1932. pp. 22–23 (similar swords presented by Congress).
Society of American Sword Collectors. "A Patriot's Sword." Bulletin of the Society of American Sword Collectors (1950), pp. 12–15.
Thomas, Howard. Marinus Willett, Soldier-Patriot, 1740–1830. Prospect, N.Y.: Prospect Books, 1954. p. 231 (this sword mentioned in Willett's will).
Brown, John Brewer. Swords Voted to Officers of the Revolution by the Continental Congress, 1775–1784. Washington, D.C.: Society of the Cincinnati, 1965. p. 7.
Moore, Warren, and Funk & Wagnalls. Weapons of the American Revolution: and Accoutrements. New York, 1968. p. 158, no. E-58, ill.
Peterson, Harold L. The American Sword, 1775–1945: A Survey of the Swords Worn by the Uniformed Forces of the United States from the Revolution to the Close of World War II. New rev. ed. ed. Philadelphia: Ray Riling Arms Books Co., 1968. p. 191 (portrait of Col. Willett).
Hamilton, John D. "Elegant Continentals: Swords Presented by the Continental Congress." Man at Arms (September 1986), pp. 25–31, 34.
Nickel, Helmut. "Arms and Armor from the Permanent Collection." The Metropolitan Museum of Art Bulletin (Summer, 1991), pp. 48, 64, ill.