Constantinople: the Historic Peninsula. Engraving by J. Isac. https://www.rawpixel.com/image/14018239/constantinople-the-historic-peninsula-engraving-isacFree Image from public domain licenseMap of the world by Ottoman admiral Piri Reis, drawn in 1513. Only half of the original map survives and is held at the… https://www.rawpixel.com/image/11761488/image-background-paper-personFree Image from public domain license'Saz'-Style Drawing of a Dragon Amid Foliage by Shah Quli, Turkish (ca. 1540–50) https://www.rawpixel.com/image/9185205/image-iran-dragon-ottomanFree Image from public domain license