There are 2 titles associated with this firm.

@book{ wphp_1126
  author={Edgeworth,Maria and Edgeworth,Richard Lovell},
  year={1820},
  title={Memoirs of Richard Lovell Edgeworth, Esq. Begun by himself, and concluded by his daughter, Maria Edgeworth},
  publisher={Rowland Hunter \& Robert Baldwin, Charles Cradock, and William Joy \& },
  address={London},    }
@book{ wphp_10626
  author={Edgeworth,Maria},
  year={1822},
  title={Frank: a sequel to Frank in Early lessons. By Maria Edgeworth. In three volumes.},
  publisher={Rowland Hunter \& Robert Baldwin, Charles Cradock, and William Joy \& },
  address={London},    }