Historical Abstracts is a reference guide to the history of the world from 1450 to the present (excluding the United States and Canada, which are covered in America: History and Life). Currently over 2,000 journals published throughout the world are covered in the database, including key historical journals from virtually every major country. All abstracts are written in English. In addition to articles, Historical Abstracts includes citations to historical books and to abstracts of dissertations completed worldwide of particular interest for historical research.

Use the ATLA Religion Database to locate journal articles, essays, sermons, and book reviews in the field of religion. Citations cover all religions and all theological points of view. Fulltext is available for hundreds of titles.... Read more about ATLA Religion Database

The Oxford Encyclopedia of the Reformation is the definitive source for information about the entire range of religious and social changes that altered the face of Europe in the sixteenth century, encompassing not only issues of church polity and theology but also developments in politics, economics, demographics, art and literature.... Read more about Oxford Encyclopedia of the Reformation

The New Catholic Encyclopedia (2nd ed.) is prized for its scholarly presentation of persons and subjects related to Catholicism and the humanities. This revised edition features contributions from hundreds of scholars from all over the world.... Read more about New Catholic Encyclopedia

The index is representative of the major doctrinal positions within evangelical Christianity.... Read more about Christian Periodical Index

This guide describes biographical information available from  Harvard Divinity School Library and online through the Harvard Library.

This papal Who's Who presents biographical accounts in chronological order of all the officially recognized popes from St Peter to John Paul II, whose entry has now been expanded and brought up to date. Providing a continuous history of the papacy, it also includes their irregularly elected rivals, the so-called antipopes, and discusses the tradition that there had been a female pope.