Dissent in politics 1780-1830 :the political life of William Smith, MP / Richard W.
Davis, 1971
http://www.loc.gov consulté le 2015-05-06
Information trouvée : His A letter to William Wilberforce, Esq. M.P. on the proposed abolition of the slave
trade, 1807 : t.p. (William Smith, Esq.)