There are 2 titles associated with this firm.

@book{ wphp_12402
  author={Serres,Olivia Wilmot},
  year={1819},
  title={Letters of the Late Right Hon. Earl of Brooke & Warwick, to Mrs. Wilmot Serres, Illustrated with the Poems and Memoirs of His Lordship. &c. &c.},
  publisher={},
  address={London},    }
@book{ wphp_12402
  author={Serres,Olivia Wilmot},
  year={1819},
  title={Letters of the Late Right Hon. Earl of Brooke & Warwick, to Mrs. Wilmot Serres, Illustrated with the Poems and Memoirs of His Lordship. &c. &c.},
  publisher={},
  address={London},    }