The Holy See's Archive contains the Bible, Catechism of the Catholic Church, Codes Of Canon Law, Documents of Vatican Council II, Official Acts Of The Holy See, and Compendium Of The Social Doctrine Of The Church
Early Christian Writings sets out all of the Christian writings that are believed to have been written in the first and second centuries, as well as a few selected from the early third.
EarlyChurch.org.uk provides resources on church history from the close of the New Testament in around 96AD to the rise of the medieval papacy under Pope Gregory I.
Medieval Church.org.uk takes over where EarlyChurch.org.uk left off, providing resources on church history up to the time of the dawn of the Reformation.
ReformationChurch.org.uk hosts material relating to the origins, personalities, politics, theology and ongoing legacy of the Reformation of the 16th Century.
Nineteen Sixty-Four is a research blog for the Center for Applied Research in the Apostolate (CARA) at Georgetown University edited by Mark M. Gray.
C21 Resources is a compilation of critical analyses and essays on key challenges facing the Catholic Church today. Each issue features original and reprinted articles around a particular theme.
Catholics & Cultures is a growing, changing chronicle of the role of Catholicism among the people and within the cultures where it is lived.