Tolkien's Oxford:
http://users.ox.ac.uk/~tolksoc/TolkiensOxford/
This is of interest for those students who are interested in Tolkien's literary life and the circumstances surrounding the writing of the Lord of the Rings trilogy. Like most sites, this one offers ample links to other groups and individuals who are interested in Tolkien.
Tolkien Timeline:
http://gollum.usask.ca/tolkien/index.html
This site offers a chronological look at the events related to Tolkien's life, career and scholarly pursuits.