The Philosopher's Guide to Sources, Research Tools, Professional Life, and Related Fields . A Guide to the Reference Literature . Libraries Unlimited, 1997. This comprehensive guide, which is intended to encompass the entire realm of philosophy, is organized by types of reference sources. Extensive annotations are critical and evaluative as well as descriptive.
Emphasis is on English-language sources.
Cut off date is April 1996. Geisler, Norman L. Baker Encyclopedia of Christian Apologetics . Baker Books, 1998. Consult 29-page bibliography in back for full bibliographical data. Contains Scripture index.