There are 2 titles associated with this person.

@book{ wphp_14619
  author={Douglas,Mary and Douglas,Andrew},
  year={1797},
  title={Notes of a Journey from Berne to England, through France. Made in the Year 1796. By A. D.},
  publisher={},
  address={London},    }
@book{ wphp_14694
  author={Douglas,Mary and Douglas,Andrew},
  year={1802},
  title={Notes of a Journey from Berne to England, through France. Made in the year 1796, by M.D.},
  publisher={James Ballantyne},
  address={Kelso},    }