His autobiography , Memoirs of Thomas Jones of Penkerrig , went unpublished until 1951 .
His autobiography , Memoirs of Thomas Jones of Penkerrig , is now recognised as an important source of information on the 18th - century art world .
His autobiography , Memoirs of Thomas Jones of Penkerrig , went unpublished until 1951 but is now recognised as an important source of information on the 18th - century art world .