Social Inequality Redounds to the Advantage of All
The Marriage of the Princess Royal Victoria, January 25, 1858, by James Brooks
Leo XIII returns to the subject of social inequality in the encyclical Rerum Novarum, of May 15, 1891:
(Rev. John J. Wynne, S.J., ed. The Great Encyclical Letters of Pope Leo XIII [New York: Benziger Brothers, 1903], p. 217).
Plinio Corrêa de Oliveira, Nobility and Analogous Traditional Elites in the Allocutions of Pius XII: A Theme Illuminating American Social History (York, Penn.: The American Society for the Defense of Tradition, Family, and Property, 1993), Documents V, pp. 479-480.