The following works are recommended as additional sources. They are available in the stacks of the Larry A. Jackson Library and in many other local libraries.
- Audi, Robert. Cambridge Dictionary of Philosophy. New York: Cambridge, 1999. B41 .C35 1999
- Baldwin, James Mark. Dictionary of Philosophy and Psychology. 3 vols. Gloucester, Mass: P. Smith, 1960. B41 .B3 1960
- Edwards, Paul, ed. Encyclopedia of Philosophy. 8 vols. New York: Macmillan, 1967. B41 .E5
- Flew, Antony, ed. A Dictionary of Philosophy. New York: St. Martin's Press, 1979. B41 .F63 1979
- Lacy, A. R. A Dictionary of Philosophy. New York: Charles Scribner's Sons, 1976. B41 .L32 1976
- Magill, Frank N., ed. Masterpieces of World Philosophy in Summary Form. London: George Allen, 1963. B75 .M37 1990
- O'Connor, D., ed. A Critical History of Western Philosophy. Glencoe: Free Press, 1964. B72 .O2
- Runes, Dagobert D. Dictionary of Philosophy. Totowa, N.J.: Littlefield, Adams & Co., 1976. B41 .R8 1976
- Salfulin, Murad and Richard R. Dixon. Dictionary of Philosophy. New York: International Publishers, 1984. B41 .F5513 1984
- Urmson, J. O., ed. Concise Encyclopedia of Western Philosophy and Philosophers. New York: Hawthorne, 1960. B41 .U7
- Dictionary of Philosophy of Mind
- is edited by Chris Eliasmith and is a free resource for the major concepts in the philosophy of mind. The dictionary has a policy of blind peer review for all submissions, and is sponsored by The Philosophy, Neuroscience, and Psychology Program at Washington University in St. Louis. The definitions provided offer valuable help for key definitions for test review and philosophy papers.
- Internet Encyclopedia of Philosophy
- : The Internet Encyclopedia of Philosophy (subtitled "A Field Guide to the Nomenclature of Philosophy") consists of regularly updated original articles by fifteen editors, one hundred academic specialists, and technical advisors. The articles are authoritative, peer-reviewed, and available for personal and classroom use. The general editors are James Fieser and Bradley Dowden. The site is most useful for students in obtaining secondary source information on the key terms and personages of philosophy. The Internet Encyclopedia of Philosophy can also be recommended for obtaining an overview of the problems of philosophy for background readings for lectures and papers. In general, the articles are well researched and are accessible by undergraduates. The Stanford Encyclopedia of Philosophy, its main competitor, is perhaps better suited for more advanced work.
- The Internet Philosopher
- is a tutorial on the use of the Internet for studying philosophy. The tutorial covers the prominent Internet sites, how to search, what to trust, and how to maximize information skills. Other features include printer friendly pages, glossary, and a link basket, teaching resources, workbook, slide presentation, handouts, and downloadable poster. The site is authored by Stig Hansen at the University of Leeds and is a tutorial designed for UK higher education by the RDN Virtual Training Suite. For students of philosophy, the Internet Philosopher is most helpful at the beginning of the semester since the visitor quickly learns how to access some of the most useful and authoritative sites on the Internet.
- The Ism Book
- : Self-described as "an intellectual "field guide" that provides brief definitions of theories, doctrines, movements, and approaches in philosophy, religion, politics, science, the arts, and related disciplines. It was originally written in 1990 and was first posted on the web in March 1996. In 2005 it was totally revised and nowadays it is continuously updated on the web by Peter Saint-Andre, who has placed it in the public domain." As a guide to the terminology of philosophy including some of the ordinary language meanings of the central terms, the list of terms is interlinked and is especially useful in reviewing for examinations or for obtaining definitions of key terms for philosophy papers.
- DiText Meta-Encyclopedia of Philosophy
- is a dynamic resource, by Andrew Chrucky, accessing the following sources: Dagobert D. Runes (ed.), Dictionary of Philosophy, 1942 , Internet Encyclopedia of Philosophy, Stanford Encyclopedia of Philosophy, Dictionary of the Philosophy of Mind, The Ism Book, The Catholic Encyclopedia (1913), and A Dictionary of Philosophical Terms and Names.
- The Philosophy Pages
- includes a dictionary of philosophical terms and names, a survey of the history of Western philosophy, a timeline for key figures, discussion of several major philosophers, a summary treatment of the elementary principles of logic, study guide for students of philosophy, and links to other philosophy sites on the Internet. The site is developed by a former professor of Newberry College in South Carolina, is widely cited, and the information is brief, but reliable.
- Stanford Encyclopedia of Philosophy
- is a continuously updated reference work and is a publishing project of the Metaphysics Research Lab at the Center for the Study of Language and Information (CSLI) at Stanford University. The General editor of the Stanford Encyclopedia is Edward N. Zalta. Authors of subject entries are well-known scholars in their fields; even so, the subjects discussed are authoritative and well balanced. The Encyclopedia is the most scholarly general source for philosophy on the Internet and is essential as a starting point and background research for philosophy term papers.
- is an online free encyclopedia for all subjects, not just philosophy, is licensed under the Gnu Free Documentation License and contains a half-million articles maintained and edited by Wiki according to the philosophy of the free software movement. The project was founded by Jimmy Wales, and its strengths are its decentralization, peer reviews and thousands of contributors from all over the world. Articles on philosophical topics are generally reliable and are especially useful in their breadth and variety. The site is especially recommended for an accessible introduction and survey of philosophical topics for review. Students should be wary of some of the topics in logic.