There are 2 titles associated with this person.

@book{ wphp_24152
  author={de Guilleragues,Gabriel-Joseph},
  year={1701},
  title={Five love-letters from a nun to a cavalier. Done out of French into English, by Sir Roger L'Estrange. The Second Edition.},
  publisher={Richard Wellington I \& Elizabeth Rumball},
  address={London},    }
@book{ wphp_22146
  author={Hopkins,Charles and Alcoforado,Mariana and de Guilleragues,Gabriel-Joseph},
  year={1716},
  title={Five love-letters, from a nun to a cavalier, with the cavalier's answers. By Sir Roger L'Estrange. The fourth editiou [sic]. To which is annex'd, The art of love, a poem, in two books, dedicated to the ladies by Mr. Charles Hopkins.},
  publisher={M. Wyat},
  address={London},    }