lower center in plate: Edmundus Halley, Soc. Reg. Soc. / Astronomus Requis et Geometriae, Professor Savilianus; lower left in plate: G. Kneller S.R.I. Ef. et Mag Brit Baron pinx; lower right in plate: G. White fec. et ex.
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.