ISCID: Michael Polanyi - Biography and bibliography of this thinker, from the International Society for Complexity, Information, and Design.
Polanyiana - Online journal of scholarly articles related to Polanyi's thought.
SPCPS - The Society for Post-Critical and Personalist Studies takes a special interest in the work of Michael Polanyi and related thinkers. With conferences and a journal.
Tacit Knowledge - Introductory article by Karl E. Sveiby on this key Polanyi concept.
Wikipedia: Michael Polanyi - Brief entry on the Hungarian scientist, from this openly-edited encyclopedia.