Online texts of Present-Day English classic literature, including fiction, nonfiction, and poetry by authors such as Jane Austen, Charles Dickens, Mark Twain, H. D. Thoreau, and T. S. Eliot.
American Dialect Society
Information concerning the American Dialect Society and many links to pages discussing dialects and Present-Day English in general.
American vs. British English
From the University of Tampere, a thorough and straightforward discussion of British and American English, the differences between the two, and possible influences on linguistic changes.
The American-British British-American Dictionary
This site allows one to look up either British or American vocabulary and learn the definition of the word or phrase in the other country. Has a helpful pronunciation section to explain the different sounds of British and American English. Also has information about British and American holidays, currency, and more.
Links to many types of online dictionaries, including homophone, synonym, lexicographical, and etymological dictionaries and thesauri.