There are 4 titles associated with this person.

@book{ wphp_14995
  author={Holderness,Mary},
  year={1821},
  title={Notes Relating to the Manners and Customs of the Crim Tatars; Written during a Four Years’ Residence among that People. With Plates. By Mary Holderness.},
  publisher={John Warren \& },
  address={London},    }
@book{ wphp_14993
  author={Holderness,Mary},
  year={1823},
  title={New Russia. Journey from Riga to the Crimea, by Way of Kiev; with Some Account of the Colonization, and the Manners and Customs of the Colonists of New Russia. To Which Are Added, Notes Relating to the Crim Tatars. By Mary Holderness.},
  publisher={Sherwood, Jones, and Co. \& },
  address={London},    }
@book{ wphp_12228
  author={Holderness,Mary},
  year={1825},
  title={A Manual of Devotion; being Meditations and Hymns for Every Day in the Month. By Mary Holderness, author of "New Russia," and "Manners and Customs of the Crim Tatars."},
  publisher={Maurice Ogle \& Richard Moore Tims \& Waugh and Innes [1818-25] \& James Duncan \& },
  address={London},    }
@book{ wphp_14994
  author={Holderness,Mary},
  year={1827},
  title={Journey from Riga to the Crimea, with Some Account of the Manners and Customs of the Colonists of New Russia. By M. Holderness. Second Edition},
  publisher={Sherwood, Gilbert, & Piper \& },
  address={London},    }