On-line advice on writing style

The Elements of Style/Principles by William Strunk, Jr. (1918)
Advice from the Natural Environment Research Council
- Writing for the web is different
- Page structure
The Economist style guide.
Politics and the English Language, an essay by George Orwell, a man who could write
Our guide from the 1990s. Unchanged, warts and all; I was young, I needed the money.