There are 3 titles associated with this firm.

@book{ wphp_1056
  author={Owenson,Sydney},
  year={1805},
  title={Twelve Original Hibernian Melodies, with English Words, imitated and translated, from the Works of the Ancient Irish Bards, with an introductory Preface and Dedication, by Miss S. Owenson. Arranged for the Voice, with an Accompaniment for the Piano Forte},
  publisher={},
  address={London},    }
@book{ wphp_1056
  author={Owenson,Sydney},
  year={1805},
  title={Twelve Original Hibernian Melodies, with English Words, imitated and translated, from the Works of the Ancient Irish Bards, with an introductory Preface and Dedication, by Miss S. Owenson. Arranged for the Voice, with an Accompaniment for the Piano Forte},
  publisher={},
  address={London},    }
@book{ wphp_24418
  author={Opie,Amelia and Thomson,George},
  year={1817},
  title={A Select Collection of Original Welsh Airs Adapted for the Voice, United to Characteristic English Poetry. With Introductory & Concluding Symphonies and Accompaniments for the Piano Forte or Harp, Violin & Violoncello Composed Chiefly by Joseph Haydn. Music by George Thomson, 3 vols.},
  publisher={},
  address={London},    }