There are 2 titles associated with this firm.

@book{ wphp_17225
  author={Edgeworth,Maria},
  year={1807},
  title={The Contrast. By Maria Edgeworth.},
  publisher={William Elliot \& },
  address={New Brunswick},    }
@book{ wphp_17222
  author={Edgeworth,Maria},
  year={1817},
  title={Comic Dramas, in Three Acts. By Maria Edgeworth, Author of "Tales of Fashionable Life," &c. &c},
  publisher={Thomas Dobson and Son \& },
  address={Philadelphia},    }