|Rerum Novarum - Encyclical on capital and labor, promulgated 15 May, 1891. The birth of modern Catholic social teaching, as the pope wrestles with the alienating effects of the Industrial Revolution. 82K.
|Aeterni Patris - On the Restoration of Christian Philosophy. Encyclical promulgated 4 August, 1879. Philosophy can be a powerful aid to apologetics and theology. Commends Scholasticism in particular.
|Apostolicae Curae - Papal bull on the nullity of Anglican orders, issued 18 September, 1896. Pronounces Anglican ordinations "absolutely null and utterly void."
||Augustissimae Virginis Mariae - Encyclical on the Confraternity of the Rosary. Promulgated 12 September, 1897.
|Auspicato Concessum - On St. Francis of Assisi. Encyclical promulgated 17 September, 1882.
||Custodi di quella fede - Encyclical addressed to the Italian people in particular, repeats condemnation of Freemasonry. Promulgated 8 December, 1892.