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Foundation at the University of Oxford dedicated to the study of Voltaire and the Enlightenment. Site includes foundation publications, courses, and projects.

On-line research resource for individuals interested in the writings and the ongoing critical theory of Walter Benjamin (1892-1940).

Extensive resource site about the mathematician and philosopher, maintained by his son. Includes book list, article list, citations, obituaries, photographs, guest book, and links to other resources.

At Allameh Tabatabaii University, Tehran. Resume, books, papers and contact details.

An organization working to increase awareness of Zubiri's thought in the United States. Site provides extensive information about Zubiri's life and thought, as well as organizational news.