• GrammarBook.com (rules videos)

• Indiana University East

• Purdue University

• Okanagan University

• E-Reading Worksheets

• GrammarBook.com (rules video)

• Johnson County Writing Centre

• University of Victoria

• GrammarBook.com

• EAP Foundation: Coherence and Cohesion

• Regent Writing Lab: Cohesion and Coherence 

• Duke Graduate School Scientific Writing Resource: Cohesion, Coherence, and Emphasis. 

• George Mason University: The Writing Centre

• "Transitional Words and Phrases": University of Wisconsin

"Tightening Your Writing"

"Writing Clearly and Concisely": University of Arizona

• Duke Graduate School Scientific Writing Resource

• GrammarBook.com: English Usage Videos

Purdue University