You may also want to visit
Writing resources (from my consulting site)
Avoiding plagiarism (University of Alberta)
American HeritageŽ Dictionary of the English Language
More dictionaries (JHU)
Roget's Thesaurus (U of Chicago)
English language teaching (many online resources - Oxford University Press)
Grammar, Spelling, and Punctuation (Purdue's Online Writing Lab )
How to rite rite (University of Waterloo)
King's English by H. W. Fowler (a classic)
Plain Language Association International
Plain language (US govt.)
Plain language online training
Plain English Handbook (U.S. Securities and Exchange Commission)
Plain Language: A Handbook for Writers in the U.S. Federal Government
Plain English Campaign, UK
Joseph Kimble on plain English
Advice on academic writing (University of Toronto)
Guide to scientific writing (from AACC)
Instructions to authors in the health sciences (links to journal instructions for authors)
Citing Internet sources (NLM)
Focus on writing (fun for young and old alike)
Indispensable writing resources
Internet Resources Newsletter (Heriot-Watt University Library, UK)
Uniform Requirements for Manuscripts Submitted to Biomedical Journals
Wordsmith ("word a day," definitions, and acronyms)
Writing sensible e-mail messages (must read!)