Philosophy

The American Philosophical Association
The website for the main professional organization for philosophers in the United States, founded in 1900.

Dictionary of Philosophical Terms and Names
"This is a concise guide to technical terms and personal names often encountered in the study of philosophy." This dictionary provides brief biographies and definitions of philosophical terms.

The Internet Encyclopedia of Philosophy
From the University of Tennessee at Martin, this online encyclopedia provides a timeline of the history of philosophy and allows you to search by keyword. All articles are individually authored and each article includes contact information for the authors.

PhilPapers: Online Research in Philosophy
"PhilPapers is a comprehensive directory of online philosophical articles and books by academic philosophers. We monitor journals in many areas of philosophy, as well as archives and personal pages." You can limit your search to professional authors or open resources.

Stanford Encyclopedia of Philosophy
Maintained by experts in the field and refereed by an editorial board, this is "dynamic reference work maintains academic standards while evolving and adapting in response to new research." Articles are signed, dated, and contain references.

The Stoic Place
"A collection of essays, dialogues, and charts describing the ideas and history of this philosophy. Both classical and contemporary Stoicism are discussed. Prepared by a professor of philosophy at Western Kentucky University." (Information from lii.org)