described at URL: https://artuk.org/discover/artworks/george-clifford-15581605-3rd-earl-of-cumberland-kg-218911 operator: Art UK determination method: SHA-1
https://artuk.org/discover/artworks/george-william-frederick-brudenell-bruce-18041878-2nd-marquess-of-ailesbury-8th-earl-of-cardigan-kg-pc-131055 operator: Art UK