Strunk's Elements of Style
A classic guide on the basic principles of composition, grammar, word usage and misusage, and writing style.
More than an online dictionary, this site offers a personalized learning program to teach essential English words for academic success. Create a free account to track your progress.
The Writing Center
This advice for writing papers goes beyond grammar help to include topics on procrastinating, brainstorming, proofreading and more. Use the Citation Builder to prepare citations using MLA, APA, and Chicago style manuals. Provided by the University of North Carolina at Chapel Hill.