Critical: Critical thinking tutorial. Scroll down for the section on fallacies.
A definition and links from Encarta Online
Another on-line guide to fallacies. This includes many types of fallacies with
descriptions and exmaples.
another on-line source of fallacy descriptions and examples.
Yoder's Fallacy Zoo: A look at the use of fallacies within Internet discussion.
The McGraw-Hill Companies, Inc..