There are 140 titles associated with this firm.

Unknown, . Sketches from Nature, Intended for the use of young persons. London: Elizabeth Newbery, 1801.
Trimmer, Sarah. The silver thimble. By the author of Instructive tales, &c. London: Elizabeth Newbery, 1801.
Edgeworth, Richard, L., and Maria Edgeworth. Essay on Irish Bulls. By Richard Lovell Edgeworth and Maria Edgeworth, Author of Castle Rackrent, &c. London: Joseph Johnson, 1802.
Weightman, Mary. A Short System of Polite Learning: Being an Introduction to the Arts and Sciences, and other Branches of Useful Knowledge. London: William Darton and Joseph Harvey [Gracechurch], John Harris [1802-1819, 1824-1843], William Bent [55 Paternoster], Wynne and Scholey, John Walker II [44 Paternoster Row, 1784-1814, 1818-1825], 1804.
Semple, Elizabeth. A Cup of Sweets that can Never Cloy: Or, Delightful Tales for Good Children. By a Lady. London: John Harris [1802-1819, 1824-1843], 1805.
Somerville, Elizabeth. Flora, or, The deserted child. By Elizabeth Somerville. London: John Harris [1802-1819, 1824-1843], 1806.
Bentley, Elizabeth, and Ellenor Fenn. A Miscellany, in Prose and Verse, for Young Persons, on Sunday. By Mrs. Lovechild. London: John Harris [1802-1819, 1824-1843], 1807.
Shepherd, Mrs.. Poems, By Mrs. Shepherd. London: 1807.
Dorset, Catherine A. T. The lion's masquerade: a sequel to The peacock at home written by a lady ; illustrated with elegant engravings. London: John Harris [1802-1819, 1824-1843], B. Tabart, 1807.
Unknown, [Woman]. Grand-mamma, or, The christning "not at home" written by a lady. London: John Harris [1802-1819, 1824-1843], 1808.
O'Keeffe, Adelaide. Original Poems: Calculated to Improve the Mind of Youth, and Allure it to Virtue. By Adelaide. London: John Harris [1802-1819, 1824-1843], 1808.
Unknown, [Woman]. The feast of the fishes, or, The whale's invitation to his brethren of the deep. London: John Harris [1802-1819, 1824-1843], 1808.
Dorset, Catherine A. T. The lion's masquerade : a sequel to The peacock at home written by a lady ; illustrated with elegant engravings. London: John Harris [1802-1819, 1824-1843], B. Tabart, 1808.
Unknown, [Woman]. The feast of the fishes, or, The whale's invitation to his brethren of the deep. London: John Harris [1802-1819, 1824-1843], 1809.
Fordyce, Mrs.. Josephine, or The advantages of a summer; intended for the instruction and amusement of young ladies. London: John Harris [1802-1819, 1824-1843], Longman, Hurst, Rees, and Orme, 1810.
Trimmer, Sarah. A new series of prints accompanied by easy lessons: consisting of subjects taken from the New Testament. By Mrs. Trimmer. London: John Hatchard [190 Piccadilly], John Harris [1802-1819, 1824-1843], 1811.
Helme, Elizabeth. Instructive Rambles Extended, in London and the Adjacent Villages: Designed to Amuse the Mind and Improve the Understanding of Youth. By Elizabeth Helme. Fourth Edition. London: William Darton, Joseph Harvey, and Samuel Darton, John Harris [1802-1819, 1824-1843], 1811.
Venning, Mary A. Simple Pleasures, Designed for Young Persons above Twelve Years of Age, by Miss Venning. London: John Harris [1802-1819, 1824-1843], 1811.
Pilkington, Mary. Tales of the hermitage; written for the instruction and amusement of the rising generation. London: John Harris [1802-1819, 1824-1843], 1811.
Hofland, Barbara. The History of an Officer's Widow and her Young Family. Second Edition. London: John Harris [1802-1819, 1824-1843], 1812.
Trimmer, Sarah. New and comprehensive lessons: containing a general outline of the Old Testament: with twenty-four engravings. By Mrs. Trimmer. London: John Hatchard [190 Piccadilly], John Harris [1802-1819, 1824-1843], 1813.
Pilkington, Mary. Biography for girls; or, moral and instructive examples for the female sex. By Mrs. Pilkington. London: John Harris [1802-1819, 1824-1843], 1814.
Trimmer, Sarah. New and comprehensive lessons: containing a general outline of antient history: with forty engravings. By Mrs. Trimmer. London: John Hatchard [190 Piccadilly], John Harris [1802-1819, 1824-1843], 1814.
Turner, Elizabeth. The Cowslip, or More Cautionary Stories, in verse. By the author of that much-admired little work entitled "The Daisy." Third edition. London: John Harris [1802-1819, 1824-1843], Benjamin and Richard Crosby and Co., 1814.
Semple, Elizabeth. The godmother's tales: by the author of Short stories, Summer rambles, Cup of sweets, &c. &c. London: John Harris [1802-1819, 1824-1843], 1814.
Hofland, Barbara. The History of an Officer's Widow and her Young Family. London: John Harris [1802-1819, 1824-1843], 1814.
Semple, Elizabeth. Arthur and Alice; or, the little wanderers. Illustrated with elegant engravings. London: John Harris [1802-1819, 1824-1843], 1815.
Cope, Harriet. Suicide: A Poem. In Four Parts, Illustrated with Notes. By Harriet Cope. London: Francis, Charles and John Rivington, 1815.
Sandham, Elizabeth. The history of William Selwyn: by Miss Sandham. London: John Harris [1802-1819, 1824-1843], 1815.
Trimmer, Sarah. A new series of prints accompanied by easy lessons: consisting of subjects taken from the New Testament. By Mrs. Trimmer. London: John Hatchard [190 Piccadilly], John Harris [1802-1819, 1824-1843], 1816.
Edgeworth, Maria, and Richard L. Edgeworth. Readings on Poetry. By Richard Lovell Edgeworth and Maria Edgeworth. London: Rowland Hunter, Baldwin, C. Cradock, and W. Joy, 1816.
Edgeworth, Maria, and Richard L. Edgeworth. Readings on Poetry. By Richard Lovell Edgeworth and Maria Edgeworth. London: Rowland Hunter, 1816.
Pilkington, Mary. Tales of the cottage, or, Stories, moral and amusing, for young persons. By Mrs. Pilkington. London: John Harris [1802-1819, 1824-1843], 1816.
Unknown, . The Little Warbler of the Cottage, and her dog Constant. By a lover of children. London: John Harris [1802-1819, 1824-1843], 1816.
Kilner, Dorothy. The rational brutes, or, Talking animals. By M. Pelham, author of The Rotchford's, The village school, and various other publications for the instruction of children. London: William Darton, Joseph Harvey, and Samuel Darton, John Harris [1802-1819, 1824-1843], 1816.
Trimmer, Sarah, and Sarah S. Trimmer. A book of questions: adapted to Mrs. Trimmer's Scripture, Antient, and Roman histories. By Sarah Trimmer. London: John Hatchard [190 Piccadilly], John Harris [1802-1819, 1824-1843], 1817.
Trimmer, Sarah. A new series of prints accompanied by easy lessons: containing a general outline of antient history. By Mrs. Trimmer. Third edition. London: John Hatchard [190 Piccadilly], John Harris [1802-1819, 1824-1843], 1817.
Semple, Elizabeth. Arthur and Alice; or, the little wanderers. Third edition, illustrated with elegant engravings. London: John Harris [1802-1819, 1824-1843], 1817.
Unknown, [Woman]. Juliet; or, The reward of filial affection. A tale for youth. By a lady. London: John Harris [1802-1819, 1824-1843], 1817.
Mant, Alicia C. The canary bird. By Alicia Catharine Mant. London: John Harris [1802-1819, 1824-1843], 1817.
Turner, Elizabeth. The Cowslip, or More Cautionary Stories, in Verse. By the author of that much-admired little work entitled "The Daisy." Fifth edition. London: Baldwin, C. Cradock, and W. Joy, John Harris [1802-1819, 1824-1843], 1817.
Dorset, Catherine A. T. The Peacock "At Home": a Sequel to the Butterfly's Ball. Written by a Lady. Twenty-eighth edition. London: John Harris [1802-1819, 1824-1843], 1817.
Trimmer, Sarah. New and comprehensive lessons, containing a general outline of the Roman history. Illustrated with forty engravings. By Mrs. Trimmer. London: John Hatchard [190 Piccadilly], John Harris [1802-1819, 1824-1843], 1818.
Pinchard, Elizabeth S. The Blind Child, or Anecdotes of the Wyndham family. Written for the Use of Young People. By a Lady. New Edition. London: John Harris and Son, William Darton, Joseph Harvey, and Samuel Darton, James Scatcherd and Letterman, 1819.
Dorset, Catherine A. T. The peacock "at home" : a sequel to The butterfly's ball written by a lady. London: John Harris and Son, 1819.
Hofland, Barbara. The son of a genius: a tale for the use of youth. By Mrs. Hofland. A new edition. London: W. Simpkin and R. Marshall, John Harris and Son, 1819.
Trimmer, Sarah. New and comprehensive lessons; containing a general outline of antient history; with forty engravings. By Mrs. Trimmer. London: John Hatchard [190 Piccadilly], John Harris and Son, 1820.