There are 2 titles associated with this person.

@book{ wphp_9465
  author={Sellon,Martha Ann},
  year={1811},
  title={The Caledonian Comet Elucidated},
  publisher={Francis, Charles and John Rivington \& },
  address={London},    }
@book{ wphp_9474
  author={Sellon,Martha Ann},
  year={1814},
  title={Individuality; or the Causes of Reciprocal Misapprehension: In Six Books. Illustrated with Notes. By Martha Ann Sellon.},
  publisher={Robert Baldwin III \& },
  address={London},    }