The 100 Best English-language Novels of the Century chosen by Modern Library
American Heritage Book of English Usage
Ask Oxford Oxford Dictionary site offers word of the day, quote of the week, writing tips, word games and much more on the English language
British, The Very Best Of the difference between American and British colloquialisms
Chiasmus "a web site for word, language, and quotation lovers" (chiasmus [ky-AZ-mus] n. a reversal in the order of words in two otherwise parallel phrases -- e.g., "Never let a fool kiss you or a kiss fool you")
Common Errors in English
Devil's Dictionary by Ambrose Bierce. Very entertaining definitions. e.g., "Senate, n. A body of elderly gentlemen charged with high duties and misdemeanors"
DICTIONARIES page of links
Dictionaries, OneLook
Educational Resources: English
Eggcorns instead of acorns. Collection of misspellings of this type
Englishpage.com weekly lessons
Etymology Dictionary, Online the origins of words
The Glossarist a searchable directory of glossaries and topical dictionaries
Grammar, Online English
The Great Pop vs. Soda Controversy map of U.S. shows differences in how regions refer to carbonated soft drinks
Guide to Grammar and Writing includes computer-graded quizzes
Homonym/Homophone Page like "ad" and "add" - sound alike but mean different things
The Idiom Site find the story behind such expressions as bad hair day, cold turkey, and dirt poor
Luciferous Logolepsy: Dragging obscure words into the light of day a collection of over 9,000 obscure English words
National Book Awards
Webgrammar Tips
World Wide Words "Investigating International English from a British Viewpoint" - many short articles on language, history of English and new words and usage
WRITING page of links