I've done it again!
Over the past month I've been working on the Ultimate Star Trek Technical Index. Though it isn't quite "ultimate" yet is it covers 90% of all the reference books and magazines that the average fan uses.
Unfortunately at this point is does NOT cover any of the RPG sourcebooks that have been published (an omission I plan to fix some day)

The site is at
http://www.geocities.com/willbswift/techindex.html

Need diagrams of a Nova class bridge?
What about details on how to deal with Invidium contamination on your starship?
Which ST Magazine has articles on Trills?
Where would I find a biography of Capt. Sisko?

This index give the book, issue number, and page number for all of these question and many many more!

You can also visit the rest of my Star Trek sites at
http://www.geocities.com/willbswift/startrek.html