There are 2 titles associated with this firm.

@book{ wphp_25777
  author={Knaggs,Thomas},
  year={1721},
  title={Religion the properest means to peace of conscience, Honour, Profit, Pleasure, and Health. A sermon preach'd at Oxenden chappel in the morning, and at St. Gile's in the Fields in the afternoon. On Sunday, May 7. 1721. By Tho. Knaggs, M. A. And Lecturer of that Parish.},
  publisher={},
  address={London},    }
@book{ wphp_25559
  author={Unknown,},
  year={1721},
  title={A calculation of the new scheme for the disposing of the South-Sea property. Wherein is shewn what dividend the South-Sea Company can make on the old foot; What Dividend the New Scheme proposes, and what Dividend (if the Scheme takes Effect) the Three Companies can really make by their present Profits and the Interest of the New Ingrafted Stock. Being what was intended to have been publish'd in the White-Hall Evening-Post.},
  publisher={James Roberts [Warwick Lane] \& Anne Dodd I \& Thomas Griffith \& Jane Billingsley},
  address={London},    }