Hanover College
Hanover College: The Council of Trent
This site from Hanover College provides researchers with the official documents promulgated by the Council of Trent.
Internet History Sourcebooks Project
Fordham University: Modern History Sourcebook: Catechism for Parish Priests
This is a primary source document of a catechism issued by the Council of Trent to Catholic priests to ensure their orthodoxy and prevent the spread of heresy.
Internet History Sourcebooks Project
Fordham University: Medieval Sourcebook: St. Ignatius of Loyola
The Medieval Source Book provides an excerpt from St. Ignatius' famous Spiritual Exercises. This site also has links to other sites related to this topic.