There are 3 titles associated with this firm.

@book{ wphp_16707
  author={Burges,Mary Anne and Bunyan,John},
  year={1802},
  title={The progress of the pilgrim Good-Intent, in Jacobinical times. The third American, from the fifth English edition.},
  publisher={Cushing and Appleton},
  address={Salem},    }
@book{ wphp_16160
  author={Campbell,Henry Alexander and Campbell,Eliza},
  year={1808},
  title={Particulars respecting the trial, condemnation, and execution of Major Henry Alexander Campbell, at the Armagh Assizes, August 10, 1808, for killing, in a duel, Captain Alexander Boyd.  Together with two letters by Major Campbell, one to his confidential friend, written several months previous to his condemnation; the other to his wife, on the day previous to his execution, and which he continues writing and dating from hour to hour, until a few moments of his exit.  Also, a letter by Mrs. Campbell to her condemned husband in prison, and a memorial to His Majesty, petitioning the life of her husband.  To which are added, some interesting documents, furnished by a gentleman lately from London. Second Edition.},
  publisher={},
  address={Boston},    }
@book{ wphp_16159
  author={Campbell,Henry Alexander and Campbell,Eliza},
  year={1808},
  title={Particulars respecting the trial, condemnation, and execution of Major Henry Alexander Campbell, at the Armagh Assizes, August 10, 1808. For killing, in a duel, Captain Alexander Boyd. Together with two letters by Major Campbell, one to his confidential friend, written several months previous to his condemnation; the other to his wife, on the day previous to his execution, and which he continues writing and dating from hour to hour, until a few moments of his exit. Also, a letter by Mrs. Campbell to her condemned husband in prison, and a memorial to His Majesty, petitioning the life of her husband},
  publisher={},
  address={Boston},    }