The 13th Doll, a fan project to finish the third game in the series.
t7g3.com

The 7th Guest Wikipedia entry.
en.wikipedia.org/wiki/The_7th_Guest

The 11th Hour Wikipedia entry.
en.wikipedia.org/wiki/The_11th_Hour_%28computer_game%29

A well put together story about the rise and fall of Trilobyte Software.
gamespot.com/features/btg-tri/index.html

A complete walkthrough for T7G.
gameboomers.com/wtcheats/pc0-9/7thguest.html

A java applet that simulates the bishop puzzle.
jeans.studentenweb.org/java/bishop/bishop.html

The 7th Guest on GameFAQs.
gamefaqs.com/computer/doswin/data/524290.html

The 11th Hour on GameFAQs.
gamefaqs.com/computer/doswin/data/198948.html

The Fat Man's website. The creator of all the game's music.
fatman.com

An attempt to create a Quake Mod for The 7th Guest.
freewebs.com/questscaper

Trilobytes official game patches.
tbyte.com/downloads