The Isolate Tower: An Earthsea Compendium - Information about Ursula Le Guin's Earthsea, including a glossary, dictionary, factfiles and timeline. - http://www.tavia.co.uk/earthsea/index.htm
The Earthsea Trilogy - Danny Yee reviews the original Earthsea Trilogy. - http://dannyreviews.com/h/Earthsea.html
Ursula LeGuin's Magical World of Earthsea - Review of the series at Virginia Tech's Digital Library and Archives. - http://scholar.lib.vt.edu/ejournals/ALAN/spring96/griffin.html