•       U. of Minnesota Online Grammar Handbook

•       Guide to Grammar & Writing

•       Grammar Slammer

•       Common Errors in English Language

•       University of Chicago Writing Program: Grammar Resources on The Web

•       The Blue Book of Grammar and Puncuation

•       University of Chicago Writing Program: Grammar Resources on the Web

•       A Writer's Reference, Diana Hacker

•       RE: Writing

•       Fallacies (Nizkor Project)

•       The Writing Center (UNC)

•       UBC Writing Centre (Rhetorical Analysis)