By Time Period
Middle Ages, Twentieth Century, Anticlericalism, History of the Catholic Church from the Renaissanc, Liberal Catholicism, The Church in the Modern Era, The European Revolution
Online Texts
Church History in the Light of the Saints, Ecclesiology and Roman Catholic Church History, Sketches of Church History
Church History - Resources for Catholic Educators
Collection on the history of christianity with a focus on the Catholic Church.
H-Catholic: History and Culture of Catholicism
H-Net group devoted to promoting the discussion and study of the history and culture of the Roman Catholic Church. Offers archive, links to related resources, reviews, and subscription information.
History, Ecclesiastical
A survey of the role of church history, the history of the Catholic church and historiography of church history. From the Catholic Encyclopedia 1913.
Roman Catholic Church History
A collection of open source Wikipedia articles on the history of the Catholic Church.