http://www.nd.edu/~ndjfl/index.html

Notre Dame Journal of Formal Logic

http://www.aslonline.org/

Association for Symbolic Logic

http://www.earlham.edu/~peters/philinks.htm

Guide to Philosophy on the Internet

(Peter Suber, Philosophy Department, Earlham  College)

http://www-personal.monash.edu.au/~dey/phil/

Philosophy in Cyberspace

http://web.phil.ufl.edu/SEP/index.html

Society for Exact Philosophy

http://www.math.uu.se/logik/logic-server/

Research groups in Logic and Theoretical Computer Science

http://www.math.uu.se/logik/logic-server/collection.html

List of Research Groups in Logic and Theoretical Computer Science Worldwide

http://www.math.fu-berlin.de/~dvmlg/

Deutsche Vereinigung für Mathematische Logik und für Grundlagen der Exakten Wissenschaften

http://www.wkap.nl/jrnlsubject.htm/5+0+0+0

Listing of Journal Homepages by Subject, including Logic

http://www.logic.at/kgs/www_logicien.html

Resources in Computer Science, Logic, Mathematics and Philosophy

(Kurt Gödel Society)

http://www.jneedle.demon.co.uk/vague/articles.htm

Online Articles on Concept and Logic of Vagueness

http://www.uni-bonn.de/logic/world.html

Mathematical Logic around the world

(service provided by the Mathematical Logic Group, University of Bonn, and the Institute for Logic, University of Vienna)

http://www.rbjones.com/rbjpub/logic/index.htm

Factasia

http://www2.galaxy.com/galaxy/.../Humanities/Philosophy/Logic.html

Galaxy

http://logic.stanford.edu:80/

Logic Group at Stanford University

http://www.sjsu.edu:80/depts/itl/

Mission: Critical

(San Jose State University's Critical Thinking Web Page)