There is a lot of good stuff available on the Internet about the Dragons.
Frequently Asked Questions (Short Version, Long Version).
A History of the Ultima Dragons.
The Dragons have an FTP site in /pub/ud on ftp.udic.org.
Usenet Newsgroup: rec.games.computer.ultima.dragons. Also, please read the rec.games.computer.ultima-dragons FAQ.
A lot of Dragons hang out on the Weyrmount MOO, part of the SenseMedia Network. Also see the Weyrmount FAQ.
#udic Undernet IRC Channel.
Dragon Press: Ultima & Dragons' Fan Fiction.
The Ring of Dragons
Dragons' Web home pages, courtesy of Minstrel and Geo (Link: Europe, US)
Rainbow Dragon's UDIC photo gallery.
The current member roster and the grand roster of all who have been members of the Dragons.
Members Only Login
Age of the Dragon, CRPG in production by UDIC members
The Dragon Liberation Front. (DLF, versus the PVLBs)
The Protectors of Virtue and Lord British (PVLB, versus the DLF and the EAs.)
The Dragons Front of Britannia (DFB, versus no one in particular).
A history of Dragons in Britannia.
Origin's Ultima Archive (and FTP site)
World of Ultima (Ultima Clues, very graphical)
Micro Dragon's Site (Ultima Theme, Manuals, etc)
Worlds of Origin (About all Origin games including Ultima)
Ultima Resource Page (Miscellaneous Ultima Stuff)
Mysterious Sosaria (Bard's Library, Weapons List)
Usenet Newsgroups: rec.games.computer.ultima.online and rec.games.computer.ultima.series.