From DCU Guide
|THE UNOFFICIAL GUIDE TO THE DC UNIVERSE|
The Unofficial Guide to the DC Universe or DCU Guide for short was established in 1996. It began as the Unofficial DC Index Series focusing on comic book indexes, but soon branched out to include character profiles, chronologies and more.
For over two decades it has been an encyclopedia filled with Who's Who profiles on characters, places, organizations, and events in the DC Universe as well as character chronologies and series indexes.