Article How a New Yorker copy editor learned to love house style.
Article For at least two centuries, it has been standard practice in the United States to place commas and periods inside of quotation marks. This rule still h ...
Article When it comes to the comma, writers shouldn’t play it by ear.
Article comma history
Article top10reasons
Review The comma has several uses in English grammar, all related to marking-off separate elements within a sentence.
Review Rules for Comma Usage
Review--Comprehensive list of links for different uses of commas Ah, the comma. Of all the punctuation marks in English, this one is perhaps the most abused and misused. And it’s no wonder. There are…
Review The Purdue University Online Writing Lab serves writers from around the world and the Purdue University Writing Lab helps writers on Purdue's campus.
Review 10 rules
Quiz Commas Quiz 1 from The Blue Book of Grammar and Punctuation.
Quiz Commas Quiz 2 from The Blue Book of Grammar and Punctuation.
Quiz Using Commas with Introductory Phrases
Quiz Using Commas with Coordinating Conjunctions
Quiz Whatever Happened to the News?: A Commas, Fill-in-the-Blanks Quiz
Quiz Quiz on Commas
Quiz--Comprehensive list of activities Learn about Purdue University's College of Liberal Arts, a college focused on strengthening the Undergraduate Experience, enhancing Graduate Education, and promoting Faculty Excellence.
Quiz Comma Quiz