COBOL (1969) abstract retro poster by Dietmar R. Winkler. Original public domain image from the Library of Congress.… https://www.rawpixel.com/image/8683808/image-art-vintage-public-domainFree Image from public domain licenseFirst book on anatomy, physiology, and hygiene - for grammar schools and families (1849), vintage human body illustration.… https://www.rawpixel.com/image/11064725/image-face-art-vintageFree Image from public domain licenseLily, Stockbridge (July 4, 1876) by Samuel Colman. Original from The Smithsonian Institution. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3076058/free-illustration-image-river-vintage-cc0Free Image from public domain licenseVrijwillige Jager der Hooge School te Utrecht (1835 - 1850) by Albertus Verhoesen and Johannes Paulus Houtman https://www.rawpixel.com/image/13748898/image-paper-cartoon-faceFree Image from public domain licenseOfficier der vrijwillige Jagers van de Hooge School te Utrecht in kleine tenue (1835 - 1850) by Albertus Verhoesen and… https://www.rawpixel.com/image/13748662/image-paper-cartoon-faceFree Image from public domain licenseSaint Cassian of Imola: (top) as a schoolmaster he receives the written work of his pupils on tablets; (below) his… https://www.rawpixel.com/image/14020646/image-cartoon-face-personFree Image from public domain license