License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Thomas Rowlandson. How to turn any Horse, Mare, or Gelding; How to Ride genteel & agreeable down Hill; A Bit of Blood; How to be run away with; How to loose your way; One way to Stop your Horse, March 1, 1803. The Metropolitan Museum of Art.