The Aelian Bridge and Castle of St. Angelo, with part of the City of Rome https://www.rawpixel.com/image/12553621/the-aelian-bridge-and-castle-st-angelo-with-part-the-city-romeFree Image from public domain licenseEx Aeliani historia per Petrum Gyllium latini facti, itemque ex Porphyrio, Heliodoro, Oppiano, tum eodem Gyllio luculentis… https://www.rawpixel.com/image/13991690/image-paper-cartoon-bookFree Image from public domain license