There are 2 titles associated with this person.

@book{ wphp_25429
  author={de Crousaz,Jean-Pierre},
  year={1739},
  title={A commentary on Mr Pope's principles of morality, or Essay on man. By Mons. Crousaz, ... in answer to a letter of remarks on his Examen, &c. Containing also I. The letter of remarks to Mons. Crousaz. ... V. Some cursory annotations by the translator.},
  publisher={Anne Dodd I \& Anne Dodd II},
  address={London},    }
@book{ wphp_25608
  author={de Crousaz,Jean-Pierre},
  year={1739},
  title={An examination of Mr Pope's Essay on man. Translated from the French of M. Crousaz, Member of the Royal Academies of Sciences at Paris and Bourdeaux; and Professor of Philosophy and Mathematics at Lausanne.},
  publisher={Anne Dodd I \& Anne Dodd II},
  address={London},    }