There are 2 titles associated with this firm.

@book{ wphp_2373
  author={Jemmat,Catherine},
  year={1762},
  title={The memoirs of Mrs. Catherine Jemmat, ... written by herself. ...},
  publisher={},
  address={London},    }
@book{ wphp_10929
  author={Roberts,Emma},
  year={1819},
  title={Almegro, a Poem, in Five Cantos.},
  publisher={H. C. Hodson \& },
  address={London},    }