There are 5 titles associated with this firm.

@book{ wphp_11321
  author={Budden,Maria Elizabeth},
  year={1830},
  title={A key to knowledge; or, Things in common use simply and shortly explained. By a mother, author of "Always Happy," "Claudine," "Nina," &c. Eighth Edition.},
  publisher={John Harris [1802-1819, 1824-1843] \& },
  address={London},    }
@book{ wphp_11313
  author={Budden,Maria Elizabeth},
  year={1830},
  title={Claudine, or, Humility, the basis of all the virtues: a Swiss tale. By the author of 'Always happy,' - 'Nina,' - 'True Stories from Ancient History,' &c. &c. Sixth Edition.},
  publisher={John Harris [1802-1819, 1824-1843] \& },
  address={London},    }
@book{ wphp_11366
  author={Glasse,Hannah},
  year={1831},
  title={Easy rhymes for children from five to ten years of age: with eight engravings. By A Lady, author of "Cato, or the Adventures of a Dog;" &c. &c. &c.},
  publisher={John Harris [1802-1819, 1824-1843] \& },
  address={London},    }
@book{ wphp_12474
  author={Thomas,Elizabeth},
  year={1831},
  title={Serious Poems; Comprising the Churchyard; Village Sabbath; Deluge, &c. &c. By Mrs. Thomas.},
  publisher={Whittaker, Treacher, and Co. \& },
  address={London},    }
@book{ wphp_1306
  author={Hemans,Felicia and Mitford,Mary Russell and Holford,Margaret (the younger) and Kennedy,Grace},
  year={1831},
  title={The Sisters’ Budget; A Collection of Original Tales In Prose and Verse. By the Authors of “The Odd Volume,” &C. With Contributions From Mrs. Hemans, Miss Mitford, Miss Jewsbury, Mrs. Hodson, Mrs. Kennedy, Mr. MacFarlane, Mr. Kennedy, Mr. H. G. Bell, Mr. Malcolm, etc. In two volumes.},
  publisher={Whittaker, Treacher, and Co. \& },
  address={London},    }