English grammar and usage
Online access to a variety of grammar, usage and punctuation information is possible using your library card or ATHENS number or through subscription.
Rediscover Grammar by David Crystal (paperback, Longman, 2nd edn, 2004)
One of many thoroughly useful titles by our current honorary president.
The Penguin Guide to Punctuation by R. L. Trask (paperback, Penguin Reference Books, 1997)
The University of Sussex also hosts a freely available site of Larry Trask’s Guide to Punctuation.