There are 2 titles associated with this firm.

@book{ wphp_24775
  author={Unknown,},
  year={1715},
  title={A compendious system of divinity, in a new catechetical method: design'd for the benefit I.Of such as are young beginners. II. Of such as have made some proficiency in religion. And, III. Of the more grown and experienc'd Christians.},
  publisher={Sarah Cliffe \& Margaret Lawrence},
  address={London},    }
@book{ wphp_23922
  author={Watts,Isaac},
  year={1715},
  title={A guide to prayer. Or, A free and rational account of the gift, grace and spirit of prayer; with plain directions how every Christian may attain them. By I. Watts.},
  publisher={Sarah Cliffe \& Emanuel Matthews},
  address={London},    }