Religion

Centennial Encyclopaedia of the African Methodist Episcopal Church
Compiled by Richard R. Wright, Jr. Reference work published in 1916.
http://docsouth.unc.edu/church/wright/menu.html

Christian Cyclopedia
Electronic version of the one volume print resource from Concordia Publishing House of The Lutheran Church-Missouri Synod. Includes history, theology, and biographies from within Lutheranism, general Christianity, and non-Christian beliefs.
http://www.lcms.org/ca/www/cyclopedia/

Cyclopaedia of African Methodism
An encyclopedia of the African Methodist Episcopal Church, published in 1882.
http://docsouth.unc.edu/church/waymancyc/menu.html

Divine Digest
A quick reference guide to the major World Religions.
http://www.divinedigest.com/default.htm

Early Church Online Encyclopedia
Hypertext encyclopedia of the early Christian Church up to the Reformation.
http://www2.evansville.edu/ecoleweb/

Global Anabaptist Mennonite Encyclopedia Online
Information on Anabaptist-related (Amish, Mennonite, Hutterite, Brethren in Christ) topics, source documents, and history.
http://www.gameo.org/

Ilumina
An interactive Bible and Encyclopedia Suite, from Tyndale House Publishers. Features computer animation and virtual-reality tours.
http://www.ilumina.com/

Indian Christianity
Provides information/research aids for Christianity in India, through St Thomas Christian Encyclopaedia of India, and the Indian Church History Classics.
http://www.indianchristianity.com

Jewish Encyclopedia
Contains the complete contents of the 1906 Jewish Encyclopedia. Over 15,000 articles and pictures about the Torah, history, literature, biography, geography, genealogy, and theology. Accessible for free and full-text searchable.
http://www.jewishencyclopedia.com/

Spiritual Encyclopedia
Covering the most important topics for all spiritual traditions and paths on the way to god. Includes an explanation of divine words and principles governing the creation.
http://www.kriyayoga.com/english/encyclopedia/encyclopedia.htm

Thelemapedia
Explore hundreds of topics in this open source encyclopedia dedicated to the religion of Thelema.
http://www.thelemapedia.org

World Christian Database
Statistical information on world religions, Christian denominations, and people groups. Based on the 2600-page World Christian Encyclopedia and World Christian Trends. A full-time staff at The Center for the Study of Global Christianity updates and maintains the database. Limited access is free; paid access gets full set of features.
http://www.worldchristiandatabase.org/

World Wide Encyclopedia of Christianity
Links to the contents of the Catholic Encyclopedia, Easton's Bible Dictionary, Torrey's Topical Textbook, Elwell's Dictionary of Christian Theology, and other sources.
http://www.ccel.org/search?category=definitions