There are 2 titles associated with this person.

@book{ wphp_6383
  author={Alcock,Mary},
  year={1784},
  title={The air balloon; or, flying mortal. A poem.},
  publisher={Edward Macklew [Opera House, Haymarket]},
  address={London},    }
@book{ wphp_6416
  author={Alcock,Mary},
  year={1799},
  title={Poems, &c. &c. by the late Mrs. Mary Alcock.},
  publisher={Charles Dilly},
  address={London},    }