Informal Fallacies
   Dr. Charles Ess, professor of philosophy and religion, explains and gives examples of logical fallacies.
   http://www.drury.edu/ess/Logic/Informal/Overview.html

Informal Logic
   Article in the Stanford Encyclopaedia of Philosophy, by Leo Groarke.
   http://plato.stanford.edu/entries/logic-informal/

Logic and Diagnostic
   Article by Paul Tomassi discussing the application of logical reasoning in medical diagnostic. Appeared in Minerva.
   http://www.ul.ie/~philos/vol3/gnostic.html

Logic and Fallacies
   Atheism Web's guide to logic and fallacies in practical reasoning.
   http://www.infidels.org/news/atheism/logic.html

Logical Fallacies
   Explanations and examples of common logical mistakes.
   http://www.logicalfallacies.info/

Logical Fallacies and the Art of Debate
   A guide to using logical fallacies in debate.
   http://www.csun.edu/~dgw61315/fallacies.html

Logical Rudeness
   Entertaining article by Peter Suber discussing the rationality of a certain kind of rhetorical blocking strategy.
   http://www.earlham.edu/~peters/writing/rudeness.htm

PRIME: Fallacies
   A short article on informal fallacies from the Platonic Realms Interactive Mathematics Encyclopedia.
   http://www.mathacademy.com/pr/prime/articles/fallac/

Propaganda Critic
   Discusses various propaganda techniques, provides contemporary examples of their use, and proposes strategies of mental self-defense.
   http://www.propagandacritic.com/

SkepDic - Logic and Perception
   Articles with many examples covering all variations of faulty thinking.
   http://skepdic.com/tilogic.html

Stoneforest - Critical Thinking
   Offers an introduction to critical thinking whose main content is the description of fallacies, offering examples in daily life.
   http://www.stoneforest.org/critical.html

The Dark Side of Debate
   A tongue-in-cheek tutorial on using logical fallacies to win arguments.
   http://www.fallacies.info/

The Fallacy Files
   Explains and gives examples of logical fallacies from the media and everyday life, with references to sources.
   http://www.fallacyfiles.org/

The Nizkor Project: Fallacies
   42 informal logical fallacies explained by Dr. Michael C. Labossiere, including examples.
   http://www.nizkor.org/features/fallacies/

The Power of Words
   Emotional appeals, fallacies, manipulations, disinformation, misdirection, political correctness and the nature of truth. How some people get others to agree with their point of view, give them what they want, do what they ask and buy what they are selli
   http://www.aniota.com/~jwhite/words.html

What is a Fallacy? Understanding Defective Arguments
   Describes and explains formal and informal fallacies.
   http://atheism.about.com/od/logicalfallacies/a/overview.htm