Works
Aeterni Patris, Apostolicae Curae, Augustissimae Virginis Mariae, Auspicato Concessum, Custodi di quella fede, Dall'alto dell'Apostolico Seggio, Grande Munus, Humanum Genus, Iucunda Semper Expectatione, Laetitiae Sanctae
A Brief History of Pope Leo XIII
Outline of his career, thoughtful criticism of his successes and failures, list of his writings as pope.
Catholic Encyclopedia: Pope Leo XIII
Lengthy biographical article on the author of "Rerum novarum."
Daily Catholic: Pope Leo XIII
Profile of the pope voted one of the top 100 Catholics of the 20th century by the site's visitors.
Henry George, Dr. Edward McGlynn, and Pope Leo XII
Conference paper proposes that Rerum novarum was a thoroughly Thomist rebuke of Georgist ideas.
Leo XIII, pope
Biographical entry in the Columbia Encyclopedia. Includes brief bibliography.