The Brill Dictionary of Religion. Edited by Kocku von Stuckrad ; revised edition of Metzler Lexikon Religion, edited by Christoph Auffarth, Jutta Bernard and Hubert Mohr ; translated from the German by Robert R. Barr. Boston: Brill, 2006.
4 volumes. Reference: BL31.M4813 2006. Also available from Brill Online.
Encyclopedia of Religion. Lindsay Jones, Ed. 2nd ed. Detroit: Macmillan Reference USA, 2005.
15 volumes. Philosophy: BL31.E46 2005. Also available online in the Gale Virtual Reference Library.
Eliade, Mircia. A history of religious ideas. Chicago: University of Chicago Press, 1978.
3 volumes. Doheny and Philosophy: BL48.E3813
Encyclopedia of Science and Religion. J. Wentzel Vrede van Huyssteen, Ed. New York: Macmillan Reference USA, 2003.
2 volumes. Available online in the Gale Virtual Reference Library.
Religion Past and Present: Encyclopedia of Theology and Religion. Betz, Hans Dieter. Boston: Brill, 2007.
2 volumes. Reference: BL31.R4213 2007
Worldmark Encyclopedia of Religious Practices. Thomas Riggs Ed. Detroit: Gale, 2006.
3 volumes. Available online through the Gale Virtual Reference Library.