The question of the vote by ballot plainly stated and objections fully examined and refuted, in a letter to John Hodgson, Esq., M.P - Doubleday, Thomas 1790-1870 (J. Ridgway, 1831)
Goldsmiths'-Kress no. 27050. - OCLC, 17762902. - Reproduction of original from Goldsmiths' Library, University of London