Europe in the nineteenth century : 1830-1880 / H. Hearder. - Hearder, Harry. (OLS)http://pul/name/11602 (Longman, 1970)
Bibliografia in nota.

Crime and punishment in their reciprocal relationship as reviewed by His Holiness Pope Pius XII / John V. Driscoll. - Driscoll, John V. (OLS)http://pul/name/101608; Pontificia Università Gregoriana. Facoltà di filosofia. Tesi. (OLS)http://pul/name/82053 ([s.n.], 1957)
Estratto di Tesi -- Pontificia Universitas Gregoriana. Philosophiae. 1957.
Bibliografia in nota a piè pagina.