There are 4 titles associated with this firm.

@book{ wphp_24932
  author={Unknown,},
  year={1769},
  title={The comments of bull face double fee, on the petition of the freeholders of the county of Middlesex; abounding with the most scurrilous abuse, indecent Invectives, and audacious Manaces; against the petitioners, and every other Person concerned in preparing and supporting that Petition, continued in the Gazeteer, from the 6th of June last, to the 7th of July inclusive},
  publisher={},
  address={London},    }
@book{ wphp_2259
  author={de la Roche-Guihen,Anne},
  year={1772},
  title={The history of female favourites. Of Mary de Padilla, under Peter the Cruel, King of Castile; Livia, under the Emperor Augustus; Julia Farnesa, under Pope Alexander the Sixth; Agnes Soreau, under Charles Vii. King of France; and Nantilda, under Dagobert, King of France.},
  publisher={Charles Parker [93 New Bond Street]},
  address={London},    }
@book{ wphp_6380
  author={Robinson,Mary},
  year={1775},
  title={Poems by Mrs. Robinson.},
  publisher={Charles Parker [93 New Bond Street]},
  address={London},    }
@book{ wphp_13057
  author={Savage,Mary},
  year={1777},
  title={Poems on various subjects and occasions ; (from the author's manuscript, in the hands of the editor.) By Mrs. Savage. In two volumes.},
  publisher={Charles Parker [93 New Bond Street]},
  address={London},    }