The bibliographies are very out of date. Another classic but dated encyclopedia, but note that it is still helpful for its long articles on otherwise obscure topics and people. Slightly updated by two 1955 supplementary volumes. Extensive coverage of concepts in philosophy, their origin, development and meaning. Includes articles on significant philosophical thinkers.
Longer entries have citations for further reading.
Each section presents a history and survey, as well as discussion of specific issues and contemporary work, with reference to important scholarship. Each article includes references and a bibliography. Glossary and index. Retrospective bibliographies list significant publications on a given topic, often with summary annotations. These are the best place to identify major writings on a given subject or theme.