Abbot de L'Epée, the founder of deaf and dumb education in France, above the French sign language alphabet. Coloured… https://www.rawpixel.com/image/13963555/image-cartoon-face-handFree Image from public domain licenseThe French sign language alphabet with ornate border, above it, the Abbé C.M. de l'Epée and the Abbé Sicard. Lithograph. https://www.rawpixel.com/image/14018883/image-paper-border-cartoonFree Image from public domain licenseCharles Michel, Abbé de l'Epée. Line engraving by Duvivier. https://www.rawpixel.com/image/14020141/charles-michel-abbe-lepee-line-engraving-duvivierFree Image from public domain licenseCharles Michel, Abbé de l'Epée. Stipple engraving by J. Posselwhite after C. A. Deseine. https://www.rawpixel.com/image/13998554/image-face-person-artFree Image from public domain licenseMonuments to Jonas Hanway and others in Westminster Abbey. Coloured aquatint by J. Hamble, 1812, after A. Pugin. https://www.rawpixel.com/image/14009248/image-cartoon-person-churchFree Image from public domain licenseCharles Michel, Abbé de l'Epée. Stipple engraving by F. Bonneville. https://www.rawpixel.com/image/13979964/charles-michel-abbe-lepee-stipple-engraving-bonnevilleFree Image from public domain licenseCharles Michel, Abbé de l'Epée. Line engraving by A.V. Sixdéniers. https://www.rawpixel.com/image/13985229/charles-michel-abbe-lepee-line-engraving-av-sixdeniersFree Image from public domain licenseCharles Michel, Abbé de l'Epée. Stipple engraving by F.S. Goulu. https://www.rawpixel.com/image/14012358/charles-michel-abbe-lepee-stipple-engraving-fs-gouluFree Image from public domain license