A Dictionary of Philosophy . Revised 2nd ed. 1984. Concise and easy to use, this has explanations of terms as well as brief articles on key thinkers, movements, and ideas. A Dictionary of Philosophy . This concise dictionary is designed to clarify philosophical terms in common usage and to identify key philosophers related to specific philosophical questions.
Articles are carefully cross-indexed and many are accompanied by basic bibliographic sources.
A quick and useful reference source, more for epistemology and logic than for ethics, politics or aesthetics. A Bibliography of the Philosophy of Science, 1945-1981 . This extensive bibliography of over 7,000 titles includes books, articles, papers from collections, symposia, and some book reviews, all limited to the 1945-1981 period. There are no annotations. A detailed table of contents with 47 topics is helpful in locating specific topics.