3 links
Punctuation Chart
geocities.com
A simple table shows the names and symbols, what they do and when to use them. Includes a famous example of the humorous effect of poor punctuation.
Punctuation Reminders
virtualsalt.com
A list of the most common errors, with sentences indicating correct usage.
Punctuation Tips
lrcom.com
Features a list of commonly used and misused punctuation marks, with examples.