There are 3 titles associated with this firm.

@book{ wphp_13481
  author={Rowe,Elizabeth Singer},
  year={1808},
  title={Friendship in death: in twenty letters from the dead to the living. To which are added, Letters moral and entertaining, in prose and verse. In three parts. By Mrs. Elizabeth Rowe. ... To which is prefixed, an account of the life of the author.},
  publisher={William Baynes [1796–1820; 1828–1832] \& },
  address={London},    }
@book{ wphp_13471
  author={Rowe,Elizabeth Singer},
  year={1808},
  title={Friendship in death: in twenty letters from the dead to the living. To which are added, Letters moral and entertaining, in prose and verse. In three parts. By Mrs. Elizabeth Rowe. A New Edition. To which is prefixed, an Account of the Life of the Author.},
  publisher={William Baynes \& },
  address={London},    }
@book{ wphp_8791
  author={Musgrave,Agnes},
  year={1808},
  title={William de Montfort; or, The Sicilian Heiresses. By Agnes Musgrave, author of Cicely of Raby, Solemn Injunctions, &c. In three volumes.},
  publisher={George Richards \& },
  address={London},    }