There are 8 titles associated with this firm.

Edgeworth , M. (1824). Early lessons. in four volumes. by maria edgeworth. ninth [/fifth] edition. London: Rowland Hunter. Robert Baldwin, Charles Cradock, and William Joy. W. Simpkin and R. Marshall. Thomas Hamilton and William Adams.
Polglase , A.E. (1827). The shipwreck; a tale of arabia: and other poems. by a. e. p. London: Edmund Fry. Thomas Hamilton and William Adams.
Edgeworth , M. (1828). Castle rackrent, an hibernian tale. taken from facts, and from the manners of the irish squires, before the year 1782. by maria edgeworth, author of practical education, letters for literary ladies, the parent's assistant, &c. a new edition. London: Rowland Hunter. Robert Baldwin and Charles Cradock. Longman Rees and Co. Joseph Booker. John Murray [Coventry Street] Robert Benton Seeley and Co. Sherwood and Co. George B. Whittaker. Harding and Lepard. Anthony King Newman and Co. R. Scholey. Thomas Hurst, Edward Chance, and Co. Robert Saunders and Edmund Hodgson. Thomas Tegg [73 Cheapside] Thomas Hamilton and William Adams. W. Simpkin and R. Marshall. T. Mason [Cambridge Street] James Duncan. George Smith, Alexander Elder and Co. John Templeman [1822-9]
Barbauld , A.L. (1828). Hymns in prose for children. by mrs. barbauld. twenty-sixth edition, enlarged and improved. London: Robert Baldwin and Charles Cradock. Rowland Hunter. Thomas Hamilton and William Adams. W. Simpkin and R. Marshall.
Martin , S. (1829). Little georgina, or, conversations for children. by the author of "three years in italy." Dublin: William Oliphant. William Collins and Co. John Hatchard and Son [187 Piccadilly] Richard Moore Tims. J. Nesbitt. Thomas Hamilton and William Adams. Waugh and Innes [1826-1836] Charles Chalmers and William Collins [63 Wilson Street]
Barbauld , A.L. (1832). Hymns in prose for children by the author of "lessons for children". London: W. Simpkin and R. Marshall. Longman, Rees, Orme, Brown, and Green. Robert Baldwin and Charles Cradock. Joseph Harvey and Samuel Darton. Thomas Hamilton and William Adams. John Souter [St. Paul's Churchyard]