There are 2 titles associated with this firm.

@book{ wphp_225
  author={Browne,Mary Ann},
  year={1827},
  title={Mont Blanc, and Other Poems. By Mary Ann Browne, in her fifteenth year.},
  publisher={John Hatchard and Son [187 Piccadilly] \& W. Benning \& Leonard Benton Seeley [Fleet Street] \& },
  address={London},    }
@book{ wphp_12153
  author={Howitt,William and Howitt,Mary},
  year={1828},
  title={The Desolation of Eyam: The Emigrant, A Tale of the American Woods: And Other Poems. By William and Mary Howitt. Authors of "the Forest Minstrel and Other Poems."},
  publisher={William Curry, Jun. & Co. \& George Wightman and Cramp \& Thomas Oliver and George Boyd [High Street] \& },
  address={London},    }