Thomas Pennant. Stipple engraving by Holl after T. Gainsborough, 1776. https://www.rawpixel.com/image/13981395/thomas-pennant-stipple-engraving-holl-after-gainsborough-1776Free Image from public domain licenseChrist's Hospital, London: the Mathematical School. Etching in two colours by B. Green, 1793, after himself, 1775. https://www.rawpixel.com/image/14003667/image-paper-christs-personFree Image from public domain licenseChrist's Hospital, London: the library and part of the Cloisters in 1765. Etching by B. Green, 1793, after himself. https://www.rawpixel.com/image/14000522/image-paper-christs-personFree Image from public domain license