The Anti-Slavery Society Convention, 1840, by Benjamin Robert Haydon (died 1846), given to the National Portrait Gallery… https://www.rawpixel.com/image/7666291/image-art-vintage-public-domainFree Image from public domain licenseDr. Nichols' penny vegetarian cookery : the science and art of selecting and preparing a pure, healthful, and sufficient… https://www.rawpixel.com/image/13952208/image-paper-cartoon-faceFree Image from public domain licenseBuildings and alumni of Charterhouse, London and Surrey. Colour lithograph by Beynon & Company after [H. Hale]. https://www.rawpixel.com/image/13978677/image-cartoon-face-personFree Image from public domain licenseRobert Liston. Lithograph by M. Gauci, 1836, after E. U. Eddis. https://www.rawpixel.com/image/13983691/robert-liston-lithograph-gauci-1836-after-eddisFree Image from public domain license