The Education of Achilles [1772, Royal Academy of Arts, London, exhibition catalogue] https://www.rawpixel.com/image/9205517/image-art-vintage-shadowFree Image from public domain licenseNessus and Deianira (1540 - 1560) by Lambert Sustris and Schiavone https://www.rawpixel.com/image/13742655/nessus-and-deianira-1540-1560-lambert-sustris-and-schiavoneFree Image from public domain licenseHercules Destroying the Centaur Nessus (c. 1550 - c. 1560) by Maarten van Heemskerck https://www.rawpixel.com/image/13795273/image-background-art-patternFree Image from public domain licenseHercules Slays the Centaurs (Jupiter Defeating the Centaurs) (1645 - 1650) by Jacob van Campen https://www.rawpixel.com/image/13793479/image-face-person-artFree Image from public domain license