There are 6 titles associated with this firm.

@book{ wphp_500
  author={Watts,Susanna},
  year={1804},
  title={A Walk through Leicester; being a Guide to Strangers, containing a Description of the Town and its Environs, with Remarks upon its History and Antiquities.},
  publisher={},
  address={Leicester},    }
@book{ wphp_13166
  author={Coltman,Elizabeth},
  year={1806},
  title={Plain Tales of the Advantages of Industry over Idleness. By E**** C******, author of 'Instructive hints,' &c. The third edition, to which is added, The happy school-girl.},
  publisher={},
  address={London},    }
@book{ wphp_13167
  author={Coltman,Elizabeth},
  year={1810},
  title={Plain Tales of the Advantages of Industry. Adorned with copperplates. By E**** C*****. Author of "Instructive hints," &c. In two parts.},
  publisher={William Darton, Joseph Harvey, and Samuel Darton \& },
  address={London},    }
@book{ wphp_979
  author={Coltman,Elizabeth},
  year={1811},
  title={Familiar letters, addressed to children and young persons of the middle ranks.},
  publisher={},
  address={London},    }
@book{ wphp_14556
  author={Watts,Susanna},
  year={1820},
  title={A Walk through Leicester; being a Guide to Strangers: containing a Description of the Town and its Environs, with Remarks upon its History and Antiquities. Second Edition, with Additions.},
  publisher={Thomas Combe \& },
  address={Leicester},    }
@book{ wphp_14556
  author={Watts,Susanna},
  year={1820},
  title={A Walk through Leicester; being a Guide to Strangers: containing a Description of the Town and its Environs, with Remarks upon its History and Antiquities. Second Edition, with Additions.},
  publisher={Thomas Combe \& },
  address={Leicester},    }