Religion Index One: Periodicals and Religion Index Two: Multi-Author Works and Index to Book Reviews in Religion. Evanston: American Theological Library Association, 1949–. The most thorough index to articles, books, selections in books, and reviews for the field of religion, including theology, biblical studies, church history, comparative religions, archaeology and antiquities, and pastoral work. The online version combines both parts and is called ATLA.

Christian Classics Ethereal Libraryhttp://www.ccel.org A digital archive of key Christian historical texts and other material, such as the Early Church Fathers series; works of Boethius, Erasmus, and Luther; and modern works by G. K. Chesterton and Dorothy L. Sayers. Material can be searched or browsed by author, title, subject, or type of text.

ECanon: Online Search Engine for Canonical Textshttp://rosetta.reltech.org/ECanon/ECanon.html A tool for searching four translations of the Bible (King James, Revised Standard Version, New Revised Standard Version, and the Westcott and Hort Greek New Testament) by scriptural reference or by keyword.

The Five Gospel Parallelshttp://www.utoronto.ca/religion/synopsis A tool for comparing the text of the New Testament Gospels as well as several apocryphal texts, including the Gospel of Thomas, side by side. An interesting feature of this program is that users can locate the passages in different texts that deal with the same parables and events. The site is maintained by John W. Marshall of the Department for the Study of Religion, University of Toronto.

Internet Sacred Texts Archivehttp://sacred-texts.com/index.htm A varied collection of texts on religion, mythology, folklore, and esoteric topics such as alchemy and UFOs, which can be browsed by world region, religion, or subject.

Judaism and Jewish Resourceshttp://shamash.org/trb/judaism.html A directory listing selected Internet resources related to almost any aspect of Judaism and its history. The site includes annotated links on a variety of academic and social topics, with links to museums, libraries, organizations, and the government and news media of modern Israel. Maintained by Andrew Tannenbaum,

Religion, Religions, Religious Studies: Information Sources for Study and Interpretation of Religionshttp://www.clas.ufl.edu/users/gthursby/rel Offers selective, annotated links to Web material on religious traditions, contemporary issues, religious experience, religious studies programs, and reference sources. Maintained by Gene R. Thursby of the University of Florida.

Religionwriters.com Reference Libraryhttp://www.religionwriters.com Designed to support the work of journalists covering religion and sponsored by the Religion Newswriters Association, this site is particularly good for contemporary issues related to culture and society, government and public affairs, and faith groups, from mainstream to New Age.

Wabash Center Guide to Internet Resources for Teaching and Learning in Theology and Religionhttp://www.wabashcenter.wabash.edu/Internet/front.htm A selective, annotated directory of Web sites arranged by subject and type of material. Sites of particular note are highlighted, and the directory covers topics such as the history of Christianity, world religions, social issues, theology, and archaeology. Maintained by Charles K. Bellinger at Wabash College.

Anchor Bible Dictionary. Ed. David Noel Freedman et al. 6 vols. New York: Doubleday, 1992. A definitive encyclopedia covering names, places, and events of the Bible as well as cultural history, social institutions, archaeological sites, and other topics of interest to biblical scholars. Also available on CD-ROM.

Contemporary American Religion. Ed. Wade Clark Roof. 2 vols. New York: Macmillan Reference, 2000. Five hundred articles that address the religious pluralism of the United States and provide contemporary analyses of practices, traditions, and trends.

Encyclopaedia Judaica. 16 vols. Jerusalem: Encyclopaedia Judaica; New York: Macmillan, 1971–72. Though dated, this work remains an excellent source of information on the Jewish culture and religion, offering in-depth, scholarly articles and ample illustrations. Also available on CD-ROM.

Encyclopedia of Protestantism. Ed. Hans H. Hillerbrand. 4 vols. New York: Routledge, 2004. Offers articles on traditions and faith groups, creeds and professions, historical events, movements, and people, cultural, and social issues as they relate to Protestantism.

Encyclopedia of Religion. 16 vols. New York: Macmillan, 1987. Covers religions from around the world, including information about their ideas, histories, and cultures. The articles are written by experts in their fields and include excellent bibliographies. Available in electronic format.

Harper's Dictionary of Hinduism: Its Mythology, Folklore, Philosophy, Literature, and History. By Margaret Stutley and James Stutley. New York: Harper and Row, 1977. Features short definitions and identifications of terms, figures, and texts important in Hinduism. Though the articles are not detailed, they are good for quick reference.

Mythologies. Ed. Yves Bonnefoy. 2 vols. Chicago: University of Chicago Press, 1991. An encyclopedia surveying mythologies of the world, with articles on cosmology, cults, and myth traditions arranged in geographical sections. The articles are long and scholarly, and they are accompanied by illustrations and thorough bibliographies.

New Catholic Encyclopedia. Ed. Bernard L. Marthaler. 2nd ed. 15 vols. Detroit: Gale Group, 2002. An authoritative source for Catholic theology, canon law, liturgical matters, and the church's position on social issues such as euthanasia and biomedical research. This encyclopedia also has articles on the history of the church, biographical sketches, and institutions.

Oxford Dictionary of the Christian Church. Ed. F. L. Cross. 3rd ed. New York: Oxford University Press, 1997. A small compendium of a vast amount of information, with short, descriptive entries that run from Aaron to Zwingli. The entries provide very concise starting points for understanding and identifying people, concepts, events, places, and biblical references that are important in Christian church history.

Oxford Encyclopedia of the Modern Islamic World. Ed. John L. Esposito. 4 vols. New York: Oxford University Press, 1995. Covers countries of the Islamic world and topics related to Islamic religion, history, and culture. The articles are long and scholarly as well as up-to-date.

Shambhala Dictionary of Buddhism and Zen. New York: Shambhala, 1991. Offers brief explanations of concepts defined by a team of scholars and includes a bibliography of sources.