Bartleby.com
Search 100 or more reference books, poetry books, fiction, non-fiction, quotes, including the Bible, Strunk’s Elements of Style, Robert’s Rule of Order, Bartlett’s Familiar Quotations, Gray’s Anatomy, Charles Dickens, Victor Hugo and more.

Chicago Manual of Style
The authority on writing, grammar, punctuation, etc. Online subscription is $30 per year.

The Elements of Style by William Strunk

Associated Press (AP) Stylebook

Commonly Misused Words and Phrases

Common Errors in English Usage

The 32 Most Commonly Misused Words and Phrases

List of commonly misused English words

List of commonly misused words

Writing Exercises for Engineers and Scientists

Public Relations Association
Copyright 2009, Kentucky School Public Relations Association.                                               Website Design by Five Oaks Communications, LLC.