There are 4 titles associated with this firm.

@book{ wphp_13255
  author={Barnard,Anne Lindsay},
  year={},
  title={Auld Robin Gray, A favorite Scotch Ballad.},
  publisher={},
  address={London},    }
@book{ wphp_9030
  author={Roche I,Regina Maria},
  year={1814},
  title={Plain Tales. By Mrs. Roche, author of "The Moor", &c. In Two Volumes.},
  publisher={George Walker, Publisher of Books and Music \& },
  address={London},    }
@book{ wphp_9030
  author={Roche I,Regina Maria},
  year={1814},
  title={Plain Tales. By Mrs. Roche, author of "The Moor", &c. In Two Volumes.},
  publisher={George Walker, Publisher of Books and Music \& },
  address={London},    }
@book{ wphp_9038
  author={Doherty,Ann},
  year={1815},
  title={The Knight of the Glen. An Irish Romance. By the author of The Castles of Wolfnorth and Monteagle, Ronald-Sha, &c. In Two Volumes},
  publisher={George Walker, Publisher of Books and Music \& },
  address={London},    }