Council of Trent. Detailed history of the Council, the issues raised in it's sessions, and particularly its movements to Counter Reformation.
9 Things You Should Know About the Council of Trent. List of interesting facts about the Council, its purpose and the resolutions it reached.
History of the Council of Trent. This article describes the situation leading up to the Council, with reference to the Popes involved and the political situation between the Holy Roman Empire and France at the time.