There are 2 titles associated with this firm.

@book{ wphp_12700
  author={Collier,George and Allingham,John Till and Reed,Joseph and Jackman,Isaac and Dibdin,Charles and Brooke,Frances and Garrick,David and Ravenscroft,Edward and Knight,Thomas and Bickerstaff,Isaac and Jephson,Robert and Fielding,Henry and Murphy,Arthur and Arnold,Samuel James and Sheridan,Richard Brinsley and Burgoyne,John and Macklin,Charles and Cowley,Hannah},
  year={1806},
  title={Cawthorn's Minor British Theatre. Consisting of the Most Esteemed Farces and Operas.},
  publisher={John Cawthorn [Catherine Street] \& },
  address={London},    }
@book{ wphp_8805
  author={Weimar,Miss},
  year={1808},
  title={Alzylia, a novel, in four volumes.},
  publisher={Clement Chapple [66 Pall Mall] \& },
  address={London},    }