- Purdue University Online Grammar (opens in new window)
- English Grammar Guide (opens in new window)
- How to Write a Term Paper (WikiHow) (opens in new window)
- Writing a Research Paper (Purdue OWL) (opens in new window)
- Strategies for Essay Writing (Harvard Writing Center) (opens in new window)
- Brief Guides to Writing in the Disciplines (Harvard Writing Center)
- Daily Grammar (opens in new window)
- Moutoux' Guide to Sentence Diagramming (opens in new window)
- The Writer's Handbook (UW-Madison) (opens in new window)
- PrepStep (opens in new window) (online practice exams on English and other subjects)
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