lower left in plate: Painted by Sir W. Beechey R.A.; lower center in plate: MARQUIS CORNWALLIS, / LORD LIEUTENANT and COMMANDER in CHIEF of HIS MAJESTY'S FORCES... / Knight of the Most Noble Order of the Garter... / London Published Jany. 1. 1799 by A.C. de Poggi, No. 91, New Bond Street; lower right in plate: Engraved by J. Ward.
Boulton Collection, Great Tew. Christopher Lennox-Boyd; (Nicholas Stogdon, Oxford); purchased 2001 by NGA.
- Smith, John Chaloner. British mezzotinto portraits, being a descriptive catalogue of these engravings from the introduction of the art to the early part of the present century. 4 vols. London: Henry Sotheran and Co., 1884.
- Russell, Charles Edward. English Mezzotint Portraits and Their States. 2 vols. London: Halton and Truscott Smith, Ltd., 1926.