sentence1: In 1767 , Heathcote published an anonymous letter to Horace Walpole on the dispute between David Hume and Jean-Jacques Rousseau , which was attributed to Walpole himself .
sentence2: In 1767 , Heathcote published an anonymous letter to Horace Walpole about the dispute between David Hume and Jean-Jacques Rousseau , which was attributed to Walpole himself .