There are 6 titles associated with this person.

@book{ wphp_24895
  author={Gartside,Mary},
  year={1805},
  title={An essay on Light and Shade, on colours, and on composition in general. By M. Gartside.},
  publisher={},
  address={London},    }
@book{ wphp_24895
  author={Gartside,Mary},
  year={1805},
  title={An essay on Light and Shade, on colours, and on composition in general. By M. Gartside.},
  publisher={},
  address={London},    }
@book{ wphp_24894
  author={Gartside,Mary},
  year={1808},
  title={An Essay on a new theory of Colours, and on composition in general; illustrated by coloured blots shewing the application of the theory to flowers, landscapes, figures, &c. In three parts, By M. Gartside, Part I. The second edition.},
  publisher={Thomas Gardiner \& William Miller [Albemarle Street] \& John and Arthur Arch [Cornhill]},
  address={London},    }
@book{ wphp_24894
  author={Gartside,Mary},
  year={1808},
  title={An Essay on a new theory of Colours, and on composition in general; illustrated by coloured blots shewing the application of the theory to flowers, landscapes, figures, &c. In three parts, By M. Gartside, Part I. The second edition.},
  publisher={Thomas Gardiner \& William Miller [Albemarle Street] \& John and Arthur Arch [Cornhill]},
  address={London},    }
@book{ wphp_25044
  author={Gartside,Mary},
  year={1808},
  title={Ornamental Groups, Descriptive of Flowers, Birds, Shells, Fruit,Insects, etc., and illustrative of a New Theory of Colouring, from designs and paintings by M. Gartside. The whole engraved and coloured under her immediate inspection.},
  publisher={William Miller [Albemarle Street] \& },
  address={London},    }
@book{ wphp_25044
  author={Gartside,Mary},
  year={1808},
  title={Ornamental Groups, Descriptive of Flowers, Birds, Shells, Fruit,Insects, etc., and illustrative of a New Theory of Colouring, from designs and paintings by M. Gartside. The whole engraved and coloured under her immediate inspection.},
  publisher={William Miller [Albemarle Street] \& },
  address={London},    }