Other
Sandhills Community College: Punctuation Guide
Lists, defines and describes the uses of many elements of English punctuation, including the period, comma, semicolon, colon, apostrophe, quotation, hyphen, and dash. Includes several examples.
Lumen Learning
Lumen: Grammar: Punctuation
This lesson focuses on the roles of all of the punctuation marks; it provides a video, small practices in various sections, and a punctuation self-check.