Chronology of Quendor: Exhaustive timeline of the Zork series of games.
Encyclopedia Frobozzica: Web Version 1.0 of the second edition of the Encyclopedia Frobozzica by Nino Ruffini, revised from the bound version included in Return to Zork.
Encyclopedia Frobozzica: Web Version 2.0, the "Abridged 1072-3" edition of the Encyclopedia, with many updates by Ominous Bells including events from Nemesis and Zork Grand Inquisitor.
History of Zork, The: Text of three part series of articles about the origins of the Zork Trilogy, from Infocom's newsletter The New Zork Times.
IF-Review: Archaeology: Paul O'Brian's Review of Dungeon, predecessor to the Zork trilogy.
Just Adventure: Magical Infocom Adventures: Retrospective of Wishbringer and the Enchanter Trilogy by Erik Reckase.
Just Adventure: Zork I, II, III Reviews: Retrospective on the Zork Trilogy by Erik Reckase.
Return To Zork....Again: Petition asking Activision to continue making Zork games.
Rezork: Play the Zork saga in your java enabled browser. Source code available and released under GNU GPL.
SPAG Review: Insightful criticism by Duncan "Second April" Stevens. "There are many good things about Zork III, and perhaps the best of them is that it goes against the fantasy-game grain."
Zork Experience, The: History of the Zork games, screenshots, maps, walkthroughs for all games, and parody box covers.
Zork Library, The: Previews of fan game "Zork: The Hidden Evil" in development. Zork Grand Inquisitor title fonts. Hints, maps, pictures, music, desktop themes, and downloads of text games in the series.