There are 8 titles associated with this firm.

Sandham, Elizabeth. Sketches of young people, or, A visit to Brighton. By the author of The grandfather, Friendship, The schoolfellows, &c. &c. London: Simpkin, Marshall and Co., Thomas Richardson, Samuel Horsey, Samuel Darton and Robert Harvey [1833-38], 1833.
Brown, Eliza. Children as they are; or, Tales and dialogues, for young readers from seven to twelve years of age. By the author of 'The transformation of a beech-tree.' Derby: Samuel Darton and Robert Harvey [1833-38], Thomas Richardson, Simpkin, Marshall and Co., Samuel Horsey, 1835.
d'Aulnoy, Marie-Catherine. The history of the white cat : with a coloured engraving. Derby: Thomas Richardson, Robert Sears and Co., 1835.