A dog (coyote) sitting in a North American forest: two views. Coloured etching by W. H. Lizars after C.H. Smith. https://www.rawpixel.com/image/13959322/image-dog-cartoon-artFree Image from public domain licenseAwful Conflagration of the Steam Boat Lexington in Long Island Sound on Monday Eve, January 13th, 1840, by which melancholy… https://www.rawpixel.com/image/9613863/image-steam-persons-artFree Image from public domain licenseJohn Bull as a patient, in disarray, reclines on a sofa and receives medical treatment from politicians. Coloured etching by… https://www.rawpixel.com/image/13967751/image-cartoon-face-personFree Image from public domain licenseZerah Colburn, a mental calculator, as a child. Stipple engraving by H. Meyer, 1813, after T.H. Hull. https://www.rawpixel.com/image/13975302/image-cartoon-face-personFree Image from public domain licenseZerah Colburn, a mental calculator, as a child. Engraving, 1813. https://www.rawpixel.com/image/14003875/zerah-colburn-mental-calculator-child-engraving-1813Free Image from public domain license