Writers: twenty portraits of essayists and novelists. Engraving by J.W. Cook, 1825. https://www.rawpixel.com/image/14016416/image-cartoon-face-personFree Image from public domain licenseJohn Gregory. Line engraving by Cook, 1787, after G. Chalmers. https://www.rawpixel.com/image/13975764/john-gregory-line-engraving-cook-1787-after-chalmersFree Image from public domain licenseJohn Gregory. Stipple engraving by J. Beugo, 1787, after F. Cotes, 1764. https://www.rawpixel.com/image/13973754/john-gregory-stipple-engraving-beugo-1787-after-cotes-1764Free Image from public domain license