There are 147 titles associated with this firm.

Owenson, Sydney and Thomas Charles Morgan. Italy by Lady Morgan. In Two Volumes. London: Henry Colburn [Conduit Street], 1821.
Hofland, Barbara. The son of a genius: a tale for the use of youth. By Mrs. Hofland. London: W. Simpkin and R. Marshall, John Harris and Son, 1821.
Barber, Elizabeth. Dangerous Errors: A Tale. London: Lupton Relfe, 1822.
Lamb, Caroline. Graham Hamilton. London: Henry Colburn [Conduit Street], 1822.
Lamb, Caroline. Graham Hamilton. Second Edition. London: Henry Colburn [Conduit Street], 1823.
Landon, Letitia Elizabeth. The Improvisatrice; and Other Poems. By L. E. L. With Embellishments. London: Thomas Hurst, George Robinson and Co. [Cheapside], Archibald Constable and Co. [Princes Street], 1824.
Owenson, Sydney. The Life and Times of Salvator Rosa. By Lady Morgan. In Two Volumes. London: Henry Colburn [New Burlington Street], 1824.
Turner, Elizabeth. The Cowslip; or, More Cautionary Stories, in verse. By the author of that much-admired little work entitled "The Daisy." Tenth edition. London: Robert Baldwin, Charles Cradock, and William Joy, John Harris [1802-1819, 1824-1843], 1825.
Unknown, . Poetic Fugitives. By a Young Lady. London: Lupton Relfe, 1827.
Kilner, Mary Ann. Memoirs of a Peg-Top by S.S. New Edition. London: John Harris [1802-1819, 1824-1843], Robert Baldwin and Charles Cradock, 1828.
Trimmer, Sarah. New and comprehensive lessons: containing a general outline of antient history: with forty engravings. By Mrs. Trimmer. London: John Harris [1802-1819, 1824-1843], John Hatchard and Son [187 Piccadilly], 1828.
Kilner, Mary Ann. The adventures of a pincushion: designed chiefly for the use of young ladies. New edition. London: John Harris [1802-1819, 1824-1843], Robert Baldwin and Charles Cradock, 1828.
Kilner, Dorothy. The life and perambulation of a mouse. By M.P. London: John Harris [1802-1819, 1824-1843], Robert Baldwin and Charles Cradock, 1828.
Kilner, Dorothy. The Village School; A collection of entertaining histories, for the instruction and amusement of all good children. London: John Harris [1802-1819, 1824-1843], Robert Baldwin and Charles Cradock, 1828.
Trimmer, Sarah. New and comprehensive lessons: containing a general outline of the Roman history: with forty engravings. By Mrs. Trimmer. London: John Harris [1802-1819, 1824-1843], John Hatchard and Son [187 Piccadilly], 1829.
Head, Catharine. Rybrent de Cruce. In three volumes. London: Henry Colburn [Conduit Street], 1829.