Digital Library of the Catholic Reformation (Alexander Street) Comprising hundreds of titles written during the 16th and 17th centuries, The Digital Library of the Catholic Reformation gives researchers access to hundreds of hard-to-find works, including papal documents, synodal decrees, catechisms, confessors manuals, biblical commentaries, theological treatises, sacred drama, liturgical works, inquisitorial manuals, preaching guides, accounts of saints lives, and devotional works.