Purdue Owl: guides on the mechanics of writing
Jane Strauss’s Grammar Blue Book: about English rules and usage, quizzes
Grammarly site: compilation of guides to grammar, mechanics, and improving writing
Purdue Owl: general guides to essay writing, including expository, descriptive, narrative and argumentative essays
Purdue Owl: guides to conducting and using research, as well as guides to APA, MLA, and Chicago styles of citation
Univeristy of Washington libguide: guides to APA, MLA, and Chicago styles of citation, citation generators, and citation management software
University of North Carolina: a guide to moving past five paragraph essays
Purdue Owl: a basic guide to writing in the North American academic communities
National Council of Teachers of English: an article on what professors say about college writing
Purdue Owl: introduction to writing about literature, topics and research, and formatting