Setting "King Arthur" to a US History Time Scale - Set against the popular background of movies and books, this provides a concise history of the roots and development of the Arthurian legend. - http://www.mauiholm.org/ohana/arthur.html
Encyclopedia Mythica: Arthurian Legend - Provides a short introduction to the myths that surround the man. - http://www.pantheon.org/areas/folklore/arthurian/
King Arthur - The village of Caerleon, fabled to be the location of King Arthur's Camelot, explores a few of the legends associated with him. - http://www.caerleon.net/history/arthur/
Britannia.com: King Arthur - Features a timeline, literature, and a large collection of other resources. - http://www.britannia.com/history/h13.html
Merrie Haskell's King Arthur - Examines the legends of King Arthur in their historical and political context. - http://www-personal.umich.edu/~merrie/Arthur/
Medieval Times: King Arthur - Fourth- and fifth-grade students relate the story of England's most famous king. - http://www.schools.ash.org.au/elanorah/Medarthu.htm
BookLook: The Many Realms of King Arthur - Traces the development of the Arthurian legends from the Middle Ages to the present day (texts in HTML and PDF format). - http://www.boulder.lib.co.us/youth/booklook/index.html
Arthurian Legends - Educational tour of Arthurian legends along with quizzes. - http://www.asahi-net.or.jp/~NW6E-MTMR/arthur/arthur_e.htm