Baruch Spinoza: Entry by Steven Nadler in the Stanford Encyclopedia of Philosophy.
Benedict de Spinoza and Spinozism: Portal devoted to the Dutch philosopher. Includes numerous links to texts, studies, and bibliographies.
Cooley Science Library's Spinoza Webliography: Links to websites with Spinoza content.
Great Books Index: Spinoza: An index to online editions (HTML and text versions) of Spinoza's four main works.
Spinoza Bibliography: Multilanguage bibliography lists literature by and regarding Baruch Spinoza up to 2001.
Spinoza Institute: The Spinoza Institute hosts a number of selected research programs and aims to stimulate research in physics from a unifying perspective. Founded in 1998 at Utrecht University in the Netherlands, the Institute is named after scientist and rationalist philosopher Benedictus de Spinoza (1632-1677).
Spinoza Society of Japan: Contents of society publication and Web-resources for Spinozists, including a hyper-linked index to online photocopies of the entire original, Latin editions.
Spinoza Web: A resource page for Spinoza enthusiasts.
Studia Spinoziana: A Spinoza site with links to studies, translations, and other pertinent 17th century figures.
The Jerusalem Spinoza Institute: Website for the Jerusalem Spinoza Institute, an independent, non-governmental, intellectual institution that bears the name of the first theoretician of tolerance, Baruch Spinoza. The Institute has been active since 1984 in conducting academic studies and public education.
US Regional Spinoza Association: Regional Spinoza Association in the United States.
Web Sites on Benedict (Baruch) Spinoza: Short directory of web resources on Spinoza. A project of the Philosophy Department at Gustavus Adolphus College.