- Infocom Documentation Project - PDF file of scanned original game manual.
- Infocom Homepage: Infidel - Description, box art, release information, game statistics, and packaging details.
- MobyGames: Infidel - Reviews, credits, box image, trivia, and other information.
- Review by Matthew Murray - Capsule review. "With a lot of flavor and believability, if you don't mind taking the risk of perhaps being unsatisfied by the ending, you should look into Infidel."
- The Infocom Gallery: Infidel (gray box) - High-quality scans of gray box packaging, manual, letters, and map.
Media publications
- Electronic Games Review - "Infidel offers plenty of challenge, especially once the player has gained access to the lost tomb." By Tracie Forman. (Published 1994.07.00)
- SPAG Review - "Infidel is of medium difficulty, an entertaining game but not a true classic." By Stephen Granade. (Published 1994.05.15)