There are 20 titles associated with this firm.

Harding, Anne R. Decision. A Tale. By The Author Of Correction, &c. In Three Volumes. London: Longman, Hurst, Rees, Orme, and Brown, 1819.
Moore, Mrs. R. Eveleen Mountjoy; or, Views of Life. A Novel. By Mrs. Robert Moore. In Four Volumes. London: Longman, Hurst, Rees, Orme, and Brown, 1819.
Lester, Elizabeth B. Hesitation; or, To Marry, or, Not to Marry? In Three Volumes. London: Henry Colburn [Conduit Street], 1819.
Budden, Maria E. Hints on the sources of happiness. Addressed to her children, by a mother, author of 'Always happy', &c. In two volumes. London: Longman, Hurst, Rees, Orme, and Brown, John Harris and Son, 1819.
LeFanu, Alicia. Leolin Abbey. A novel. By Alicia LeFanu, author of Strathallan and Helen Monteagle. In Three Volumes. London: Longman, Hurst, Rees, Orme, and Brown, 1819.
Porter, Jane. Thaddeus of Warsaw. In four volumes. By Miss Jane Porter. The tenth edition. London: Longman, Hurst, Rees, Orme, and Brown, 1819.
Blair, Mrs. A. Domestic Scenes. A Novel. In Three Volumes. By Lady Humdrum, author of more works than bear her name. London: Longman, Hurst, Rees, Orme, and Brown, 1820.
Mackenzie, Mary J. Geraldine; or, Modes of Faith and Practice. A Tale, in three volumes. By a lady. London: William Blackwood [Princes Street], Thomas Cadell and William Davies, 1820.