There are 5 titles associated with this firm.

Williams , H.M. (1803). The history of perourou; or the bellows mender, and interesting tale; by miss williams; author of paul and virginia; letters from france, &c. &c. embellished with a frontispiece. London: Thomas Tegg and Castleman. William Champante and Benjamin Whitrow. Benjamin Crosby and Co. Wilmott and Hill. Howard and Evans.
Rowse , E. (1808). Outlines of english history, in verse. by elizabeth rowse. London: William Darton and Joseph Harvey [Gracechurch] John Harris [1802-1819, 1824-1843] William Kent. R. and Lucy Peacock, Juvenile Library. Joseph Burditt. Wilmott and Hill.