There are 8 titles associated with this firm.

@book{ wphp_19476
  author={Rundell,Maria Eliza},
  year={1807},
  title={A new system of domestic cookery, formed upon principles of economy, and adapted to the use of private families. By a lady. Second edition.},
  publisher={Andrews and Cummings \& Lemuel Blake \& },
  address={Boston},    }
@book{ wphp_21487
  author={Nepos,Cornelius and Vossius,Gerardus Joannes},
  year={1810},
  title={Cornelii Nepotis Vitae excellentium imperatorum: cum versione Anglicana, in qua verbum de verbo, quantum fieri potuit, redditur: notis quoque Anglicis, & indice locupletissimo. Or, Cornelius Nepos's Lives of the excellent commanders. With an English translation, as literal as possible: with English notes, and a large index. By John Clarke, late master of the public grammar-school in Hull.},
  publisher={Jacob Johnson & Benjamin Warner \& Mathew Carey [121 Chesnut Street] \& Thomas and William Bradford \& B.B. Hopkins & Co. \& Bennett & Walton \& Edward Earle \& C. & A. Conrad & Co. \& Bradford and Inskeep \& Kimber and Conrad \& Stephen Pike \& },
  address={Philadelphia},    }
@book{ wphp_20850
  author={,Aesop},
  year={1810},
  title={Fabulae Aesopi selectae, or Select fables of Aesop; with an English translation, more literal than any yet extant,  designed for the readier instruction of beginners in the Latin tongue. By H. Clarke, teacher of the Latin language},
  publisher={Bennett & Walton \& C. & A. Conrad & Co. \& B.B. Hopkins & Co. \& Jacob Johnson & Benjamin Warner \& Mathew Carey \& Thomas and William Bradford \& Edward Earle \& },
  address={Philadelphia},    }
@book{ wphp_21268
  author={Euclid, and Simson,Robert},
  year={1811},
  title={The elements of Euclid viz. the first six books, together with the eleventh and twelfth. The errors, by which Theon, or others, have long ago vitiated these books, are corrected, and some of Euclid's demonstrations are restored. Also, the book of Euclid's Data, in like manner corrected. By Robert Simson, M.D. emeritus professor of mathematics in the University of Glasgow. To this edition are also annexed, Elements of plane and spherical trigonometry.},
  publisher={C. & A. Conrad & Co.},
  address={Philadelphia},    }
@book{ wphp_21305
  author={Goldsmith,Oliver},
  year={1811},
  title={The Grecian history, from the earliest state to the death of Alexander the Great. By Dr. Goldsmith. Two volumes in one. Fourth American edition.},
  publisher={B.B. Hopkins & Co. \& Bennett & Walton \& Mathew Carey \& Thomas and William Bradford \& Jacob Johnson & Benjamin Warner \& C. & A. Conrad & Co. \& Kimber and Conrad \& },
  address={Philadelphia},    }
@book{ wphp_21304
  author={Goldsmith,Oliver},
  year={1811},
  title={The Grecian history, from the earliest state to the death of Alexander the Great. By Dr. Goldsmith. Two volumes in one. Fourth American edition.},
  publisher={B.B. Hopkins & Co. \& Bennett & Walton \& Mathew Carey \& Thomas and William Bradford \& Jacob Johnson & Benjamin Warner \& C. & A. Conrad & Co. \& Kimber and Conrad \& },
  address={Philadelphia},    }
@book{ wphp_19241
  author={Roche I,Regina Maria},
  year={1812},
  title={The children of the abbey. A tale. In four volumes. By Regina Maria Roche. Seventh American edition.},
  publisher={C. & A. Conrad & Co.},
  address={Philadelphia},    }
@book{ wphp_21306
  author={Goldsmith,Oliver},
  year={1813},
  title={The Grecian history, from the earliest state to the death of Alexander the Great by Dr. Goldsmith. Two volumes in one. Sixth American edition.},
  publisher={Mathew Carey \& Bennett & Walton \& B.B. Hopkins & Co. \& Thomas and William Bradford \& C. & A. Conrad & Co. \& Kimber and Conrad \& },
  address={Philadelphia},    }