There are 2 titles associated with this firm.

@book{ wphp_5855
  author={Cooper,Maria Susanna},
  year={1776},
  title={The history of Fanny Meadows. In a series of letters. By the author of The exemplary mother. In two volumes.},
  publisher={John Beatty and Christopher Jackson},
  address={Dublin},    }
@book{ wphp_8066
  author={von la Roche,Marie Sophie},
  year={1777},
  title={Memoirs of Miss Sophy Sternheim. From the German of Mr. Weiland. By E. Harwood, D.D.},
  publisher={John Beatty and Christopher Jackson},
  address={Dublin},    }