The sections on virtue and the
history and geography of Britannia are mostly taken from the Book of History
and the Book of Mystic Wisdom, the manuals for Ultima IV: Quest of
the Avatar, © 1987 by Lord British and Origin Systems, Inc; and the Book
of Lore, the manual for Ultima V: Warriors of Destiny, © 1988 by
Lord British and Origin Systems, Inc.
Quotes by "Shalineth" and other characters are from Paths of Destiny: A Guide to the Mysteries of Ultima V, the official hintbook for Ultima V. © 1988 by Lord British and Origin Systems, Inc.
Much of the background material can also be found on the World of Sosaria
web site:
http://www.geocities.com/World_of_Sosaria
Mysterious Sosaria has plenty of information about Britannia ca. Ultima V,
and is the source of the pictures of Britannian locales:
http://www.surfing.net/ultima/index2.html
The Ultima Online web site includes the Ultima archive:
http://www.uo.com/archive
Fans for Ultima lists several homebrew Ultima CRPG projects:
http://www.fansforultima.com/
Denis Loubet, who did a lot of artwork for Origin, has a home page:
http://www.io.com/~dloubet
The core d20 rules can be found at the Open Gaming Foundation:
http://www.opengamingfoundation.org/srd.html
Pictures of megalithic monuments obtained from the Stone Pages:
http://www.stonepages.com/
Visit EN World for news, reviews and d20/D&D discussion:
http://www.enworld.org/