The Infocom Gallery: Trinity
- High-quality scans of box, comic book, and feelies.
- http://infocom.elsewhere.org/gallery/trinity/trinity.html

Infocom Documentation Project
- Scanned original game manual.
- http://infodoc.plover.net/manuals/temp/trinity.pdf

SPAG Reviews: Trinity
- Two reviews by Matthew Amster and Molley the Mage.
- http://www.sparkynet.com/spag/t.html#trinity

Review by Matthew Murray
- Capsule review. "Trinity tells a startlingly serious and mature story."
- http://www.matthewmurray.net/Reviews/ComputerGames/Trinity.html

New Zork Times: Trinity: A Nuclear Time Warp
- Announcement of the game from Infocom's official newsletter.
- http://www.csd.uwo.ca/Infocom/Articles/NZT/Nztspr86.html#trinity

MobyGames: Trinity
- User reviews, credits, box image, trivia, and other information.
- http://www.mobygames.com/game/sheet/gameId=477/

Infocom Homepage: Trinity
- Description, box art, release information, game statistics, and packaging details.
- http://www.csd.uwo.ca/Infocom/trinity.html