There are 2 titles associated with this firm.

@book{ wphp_12369
  author={},
  year={1812},
  title={Hymns, Partly Collected, and Partly Original, Designed as a Supplement to Dr. Watts' Psalms and Hymns. By William Bengo collyer, D. D.},
  publisher={Thomas Cadell and William Davies \& Longman, Hurst, Rees, Orme, and Brown \& },
  address={London},    }
@book{ wphp_12370
  author={},
  year={1812},
  title={Hymns, Partly Collected, and Partly Original, Designed as a Supplement to Dr. Watts's Psalms and Hymns},
  publisher={Thomas Cadell and William Davies \& Longman, Hurst, Rees, Orme, and Brown \& },
  address={London},    }