There are 13 titles associated with this firm.

@book{ wphp_7035
  author={Inchbald,Elizabeth},
  year={1785},
  title={Mistake upon mistake, or, appearance is against them, a farce, in two acts, as it is acted at the Theatre Royal, Covent-Garden.},
  publisher={James Barker and Son \& },
  address={London},    }
@book{ wphp_7035
  author={Inchbald,Elizabeth},
  year={1785},
  title={Mistake upon mistake, or, appearance is against them, a farce, in two acts, as it is acted at the Theatre Royal, Covent-Garden.},
  publisher={James Barker and Son \& },
  address={London},    }
@book{ wphp_4288
  author={Cowley,Hannah},
  year={1790},
  title={A Bold Stroke for a Husband, a Comedy, as performed at the Theatres-Royal. By Mrs. Cowley. a New Edition.},
  publisher={James Barker and Son},
  address={London},    }
@book{ wphp_4399
  author={Cowley,Hannah},
  year={1790},
  title={The Runaway, a Comedy, as Performed at the Theatre-Royal Drury-Lane. By Mrs. Cowley.},
  publisher={James Barker and Son \& },
  address={London},    }
@book{ wphp_4288
  author={Cowley,Hannah},
  year={1790},
  title={A Bold Stroke for a Husband, a Comedy, as performed at the Theatres-Royal. By Mrs. Cowley. a New Edition.},
  publisher={James Barker and Son},
  address={London},    }
@book{ wphp_4399
  author={Cowley,Hannah},
  year={1790},
  title={The Runaway, a Comedy, as Performed at the Theatre-Royal Drury-Lane. By Mrs. Cowley.},
  publisher={James Barker and Son \& },
  address={London},    }
@book{ wphp_7032
  author={Dobson,Susannah},
  year={1795},
  title={Historical anecdotes of heraldry and chivalry, tending to shew the origin of many English and foreign coats of arms, circumstances and customs. Illustrated with engravings.},
  publisher={James Barker and Son \& Benjamin Uphill \& },
  address={Worcester},    }
@book{ wphp_907
  author={Chambers,Marianne},
  year={1805},
  title={The School For Friends, A Comedy, in five acts. As Performed, atih distinguished Success, By their Majesties Servants at the Theatre-Royal, Drury-Lane. Written by Miss Chambers, Author of "He Deceives Himself,"—A Domestic Tale, in 3 vols.},
  publisher={James Barker and Son \& },
  address={London},    }
@book{ wphp_907
  author={Chambers,Marianne},
  year={1805},
  title={The School For Friends, A Comedy, in five acts. As Performed, atih distinguished Success, By their Majesties Servants at the Theatre-Royal, Drury-Lane. Written by Miss Chambers, Author of "He Deceives Himself,"—A Domestic Tale, in 3 vols.},
  publisher={James Barker and Son \& },
  address={London},    }
@book{ wphp_8305
  author={Chambers,Marianne},
  year={1806},
  title={The School For Friends, A Comedy, in five acts. As Performed, with distinguished Success, By their Majesties Servants at the Theatre-Royal, Drury-Lane. Written by Miss Chambers, Author of "He Deceives Himself,"—A Domestic Tale, in 3 vols. The Fourth Edition.},
  publisher={James Barker and Son \& },
  address={London},    }
@book{ wphp_15533
  author={Chambers,Marianne},
  year={1806},
  title={The School For Friends, A Comedy, in five acts. As Performed, with distinguished Success, By their Majesties Servants at the Theatre-Royal, Drury-Lane. Written by Miss Chambers, Author of "He Deceives Himself,"—A Domestic Tale, in 3 vols. The Third Edition.},
  publisher={James Barker and Son \& },
  address={London},    }
@book{ wphp_8305
  author={Chambers,Marianne},
  year={1806},
  title={The School For Friends, A Comedy, in five acts. As Performed, with distinguished Success, By their Majesties Servants at the Theatre-Royal, Drury-Lane. Written by Miss Chambers, Author of "He Deceives Himself,"—A Domestic Tale, in 3 vols. The Fourth Edition.},
  publisher={James Barker and Son \& },
  address={London},    }
@book{ wphp_15533
  author={Chambers,Marianne},
  year={1806},
  title={The School For Friends, A Comedy, in five acts. As Performed, with distinguished Success, By their Majesties Servants at the Theatre-Royal, Drury-Lane. Written by Miss Chambers, Author of "He Deceives Himself,"—A Domestic Tale, in 3 vols. The Third Edition.},
  publisher={James Barker and Son \& },
  address={London},    }