A major intellectual resource.
Jaroslav Pelikan, from the foreword.

The multiple award-winning Encyclopedia of Christianity (EC), copublished by Brill and Eerdmans, is a monumental five-volume work presenting the history and current state of the Christian faith in its rich spiritual and theological diversity around the world.

Volume 1 (A-D) contains 465 articles featuring
- articles on all but the smallest countries of the world, including the former communist nations that have gained independence since 1989;
- the latest statistical information from David B. Barrett on the religious affiliation and ecclesiastical breakdown of each country and continent;
- articles on doctrines, denominations, and social and ethical issues in relation to the churches;
- biographical articles on prominent figures through church history.

The Encyclopedia of Christianity is also available online
Volume 5 of the award-winning reference work on Christianity

The multivolume Encyclopedia of Christianity is a monumental reference work that addresses the broad interest in Christianity and religion around the world today. Comprehensive, up to date, reflecting the highest standards in scholarship yet intended for a wide range of readers, the EC describes the Christian faith and community in their myriad forms today and throughout the 2,000 years of Christian history. The EC also looks outward beyond Christianity, considering other world religions and philosophies as it paints the overall religious and sociocultural picture in which the Christian church now finds itself in the new millennium.

Volume 5 contains 295 articles constituting the alphabetical entries Si–Z — articles on significant topics ranging from sin, spiritual direction, Sufism, and terrorism to Vatican I and II, Vineyard Christian Fellowship, World Alliance of Reformed Churches, and Zionism.

The Encyclopedia of Christianity is also available online
Volume 3 of the award-winning reference work on Christianity

The multiple award-winning Encyclopedia of Christianity (EC), copublished by Brill and Eerdmans, is a monumental five-volume work presenting the history and current state of the Christian faith in its rich spiritual and theological diversity around the world.
The much-anticipated third volume of the EC contains more than 350 articles for alphabetical entries J - O. Written by leading scholars from around the world, the articles in volume 3 range from discussions of Jesus, the kingdom of God, and Martin Luther to marriage and divorce, North American theology, and the Orthodox Church.

The Encyclopedia of Christianity is also available online