Adventure Collective Review: Rated 4/5. "While it is a great adventure game, it is not so great a role-playing one." By Matthew Murray.
Infocom Documentation Project: PDF file of scanned original game manual.
Infocom Games: Beyond Zork: Game information, box photos and blurb, specifications, release information, and sample transcript from manual.
Infocom Homepage: Beyond Zork: Description, release information, statistics, packaging details.
SPAG Reviews: Two reviews by Grahame Cree and Duncan Stevens.
The Infocom Gallery: Beyond Zork: High-quality scans of box, lore book, and map.