De Imperatoribus Romanis: An Online Encyclopedia of Roman Rulers and Their Families, is an online encyclopedia covering rulers of the Roman Empire from Augustus through Constantine XI Palaiologos (1453). Includes extensive maps, and information on political rulers and events.
Sources littéraires – Auteurs chrétiens provides a survey of the major collections of patristic texts and part of the Bibliotheca Classica Selecta, “a bibliographic introduction to classical studies.” This site also hosts pages on “Littérature chrétienne grecque et latine” and many related subjects.
The Bibliographies for Theology is a monumental work compiled over many years of study by society member William Harmless, S.J. The bibliographies had been updated before his untimely death on October 14, 2014. Major sections are devoted to early Christianity and patristic theology.
The Bibliographia Iuris Synodalis Antiqui (BISA) provides an extensive bibliography of sources and literature pertaining to early Christian synods. The project is directed by Georg Schöllgen, Institute for Ecclesiastical History at Bonn University.
Bibliographical Information Base in Patristics (BIBP) is an extensive (>64k records) database of bibliographic research in patristics. The resource is edited by René Michel Roberge, and made available by the Faculté de théologie et de sciences religieuses, Laval University, together with Université Laval Library.
