Bowling Green: Philosophy Documentation Center, 1967–. Provides abstracts of articles from over 400 philosophy journals as well as anthologies and books published from 1940 to the present.
http://www.intute.ac.uk/healthandlifesciences/bioethicsweb. A UK-based guide to reputable Web resources on topics such as genetically modified food, medical ethics, cloning, stem cell research, and animal welfare.
http://carbon.ucdenver.edu/~mryder/itc_data/postmodern.html. A compilation of Web-based sources on postmodernism, including important philosophers, background information, and primary texts. The site was created by Martin Ryder of the University of Colorado at Denver.
http://ethics.sandiego.edu. Provides bibliographic essays and links to content on ethics theory, teaching and learning, and applied ethics topics such as euthanasia, animal rights, bioethics, and world hunger. The site includes audio and video files as well as textual information. Edited by Lawrence W. Hinman at the Values Institute, University of San Diego.
http://www.iep.utm.edu. A site for peer-reviewed survey articles by philosophy scholars about topics in the field. The articles in the collection are extensive and thoroughly documented.
http://plato.stanford.edu. Offers authoritative articles that are updated to reflect changes in the field. Entries are kept current by experts in philosophy and reviewed by an editorial board, based at the Metaphysics Research Lab of Stanford University. Because the project is a work in progress, some topics have not yet been covered.
Ed. Ruth Chadwick. 4 vols. San Diego: Academic Press, 1998. Provides lengthy, scholarly discussions of the ethical aspects of issues such as affirmative action, animal rights, and genetic screening as well as contemporary views on theories of humanism, hedonism, and utilitarianism.
Ed. Stephen G. Post. 3rd ed. 5 vols. New York: Macmillan, 2004. Covers issues and controversies in bioethics in lengthy, scholarly articles, each accompanied by a bibliography of key sources.
Ed. Donald M. Borchert. 2nd ed. 10 vols. New York: Macmillan, 2006. Offers articles on movements, concepts, and philosophers. A good starting place for research, offering clearly written and accessible overviews and bibliographies of key works.
By Simon Blackburn. New York: Oxford University Press, 1994. Offers succinct definitions of terms in philosophy, primarily Western, and biographical entries on individual philosophers.
10 vols. London: Routledge, 1998. This specialized encyclopedia covers classical approaches to the field as well as approaches based on feminism, postcolonialism, poststructuralism, deconstruction, and postmodernism.