There are 3 titles associated with this firm.

@book{ wphp_11521
  author={Hofland,Barbara},
  year={1832},
  title={The son of a genius: a tale for youth. By Mrs. Hofland. New edition, carefully revised and enlarged, etc.},
  publisher={John Harris [1802-1819, 1824-1843] \& },
  address={London},    }
@book{ wphp_11445
  author={Hofland,Barbara},
  year={1833},
  title={Ellen, The Teacher. A Tale for Youth. By Mrs. Hofland, Author Of “The Officer’s Widow,”--”The Son Of A Genius,” &c. &c. A New Edition.},
  publisher={John Harris [1802-1819, 1824-1843] \& },
  address={London},    }
@book{ wphp_8823
  author={Hofland,Barbara},
  year={1834},
  title={The History of an Officer's Widow and her Young Family. By the author of "Son of a Genius," "Blind Farmer," "Ellen the Teacher," &c. &c. New edition.},
  publisher={John Harris [1802-1819, 1824-1843] \& },
  address={London},    }