Leisner, J. 1971. Maurice Cowling: 1867. Disraeli, Gladstone and Revolution. The Passing of the Second Reform Bill. Cambridge University Press, 1967. ix + 451 s. 70 sh. F. B. Smith : The Making of the Second Reform Bill. Cambridge University Press, 1966. viii + 297 s. 55 sh. Historisk Tidsskrift. 12, (jan. 1971).