There are 2 titles associated with this firm.

@book{ wphp_16406
  author={Baillie,Joanna and Mackenzie,Henry and Scott,Walter},
  year={1810},
  title={The family legend: a tragedy, in five acts. By Joanna Baillie, author of De Monfort, &c. (First American from the first Edinburgh edition of 1810).},
  publisher={David Longworth \& },
  address={New York},    }
@book{ wphp_19101
  author={Porter,Jane},
  year={1810},
  title={The Scottish chiefs, a romance. : Five volumes in two. By Miss Jane Porter, author of Thaddeus of Warsaw, and Remarks on Sidney's aphorisms. (From the London edition of 1810.)},
  publisher={David Longworth \& },
  address={New York},    }