There are 2 titles associated with this person.

@book{ wphp_1045
  author={Graham,Maria},
  year={1820},
  title={Three Months Passed in the Mountains East of Rome, during the year 1819. By Maria Graham, Author of Journal of a Residence in India.},
  publisher={Longman, Hurst, Rees, Orme, and Brown \& Archibald Constable and Co. [High Street] \& },
  address={London},    }
@book{ wphp_14827
  author={Graham,Maria},
  year={1821},
  title={Three Months Passed in the Mountains East of Rome, during the year 1819. By Maria Graham, Author of Journal of a Residence in India. The Second Edition.},
  publisher={Longman, Hurst, Rees, Orme, and Brown \& Archibald Constable and Co. [High Street] \& },
  address={London},    }