Pio Nono : a study in European politics and religion in the nineteenth century - Hales, E. E. Y. (Edward Elton Young), 1908- (London : Eyre & Spottiswoode, 1954)
Bibliography: p. 333-342.
Keywords: Pius -- IX, -- Pope, -- 1792-1878.; Europe -- Politics and government -- 1848-1871.