There are 3 titles associated with this person.

@book{ wphp_3442
  author={Canning,Elizabeth},
  year={1754},
  title={A full and authentic account of the strange and mysterious affair between Mary Squires a gypsy, and Elizabeth Canning, Who swore that she was robbed, and afterwards confined by the Gypsy, till she was almost starved; for which the Gypsy was condemned to Death, but afterwards received his Majesty's Pardon. With all the particulars of the trial of Elizabeth Canning afterwards, upon an indictment for a false accusation, &c. of the gypsy; which began at the Old Bailey on Monday the 29th of April, 1754, and continued till Tuesday the seventh of May.},
  publisher={},
  address={London},    }
@book{ wphp_3369
  author={Canning,Elizabeth},
  year={1754},
  title={A full and authentic account of the strange and mysterious affair between Mary Squires a gypsy, and Elizabeth Canning, Who swore that she was robbed, and afterwards confined by the Gypsy, till she was almost starved; for which the Gypsy was condemned to Death, but afterwards received his Majesty's Pardon. With all the particulars of the trial of Elizabeth Canning afterwards, upon an indictment for a false accusation, &c. of the gypsy; which began at the Old Bailey on Monday the 29th of April, 1754, and continued till Tuesday the seventh of May.},
  publisher={},
  address={London},    }
@book{ wphp_3354
  author={Canning,Elizabeth},
  year={1754},
  title={A letter from an unhappy young lady, now under confinement in Newgate, to a certain right honourable magistrate.},
  publisher={W. Webb},
  address={London},    }