Centre for Philosophy of Natural and Social Science

The pre-eminent centre for the study of the philosophy of natural and social sciences in the United Kingdom.
http://cpnss.lse.ac.uk/

Hayek Center for Interdisciplinary Research

Research center for all aspects on and related to Hayek. Site also hosts Karl Popper Scholar's Page.
http://hayekcenter.org/

USF: CAS - Social Theory

A site linking a worldwide consortium related to social theory.
http://www.socialtheory.org