Here is a set of clear guidelines for preferred terminology and suggestions for appropriate ways to describe people with disabilities. An excellent miscellany of grammatical rules and explanations, comments on style and suggestions on usage. Regularly updated columns on style and usage from the bimonthly Columbia Journalism Review. Writing tips on correcting manglers, potholes, wimp words, patriarchs, vicious verbs, runonandnons, gender benders, reruns, overkill and painful pronouns. An entertaining and useful discussion of various pet peeves in writing.
Home page includes monthly real-life client examples of how to improve writing technique.
Society of Petroleum Engineers Includes guidelines on names, numbers, spelling, abbreviations, language usage, punctuation and elements of technical papers. Kanten Communications International is a training and consulting firm that helps improve the communication skills of business professionals. I guess you could call these rants. Eighteen clear suggestions with examples of faulty usage and better usage. Ten tips on style and word choice that can make writing clear and persuasive.