There are 2 titles associated with this person.

@book{ wphp_6951
  author={Spencer,Mrs. Walter},
  year={1781},
  title={Poetical trifles: or, miscellaneous poems on various subjects. By Mrs. Spencer, Late Miss Jackson; from Manchester.},
  publisher={},
  address={London},    }
@book{ wphp_12366
  author={Spencer,Mrs. Walter},
  year={1812},
  title={Commemorative Feelings, or Miscellaneous Poems. Interspersed with Sketches in Prose on the Sources of Pensive Pleasure.},
  publisher={White, Cochrane, and Co. \& James Carpenter [14 Old Bond Street] \& },
  address={London},    }