There are 2 titles associated with this firm.

@book{ wphp_3328
  author={Ritchie,Elizabeth},
  year={1791},
  title={An authentic narrative of the circumstances relative to the departure of the late Rev. John Wesley, who died at his house in London, on Wednesday, March 2, 1791, in the eighty-eighth year of his age.},
  publisher={Miles Swinney \& John Bird \& William Bulgin \& Bulgin and Rosser \& Benjamin Charles Collins \& Campbell and Gainsborough, Public Library},
  address={Bristol},    }
@book{ wphp_6820
  author={Letches,Mrs.},
  year={1792},
  title={Poems on several occasions. By a lady.},
  publisher={},
  address={Bristol},    }