Infocom Homepage: Planetfall

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

The Infocom Gallery: Planetfall

High-quality scans of gray box packaging, manual, letters, ID card, and postcards.
http://infocom.elsewhere.org/dsinclair/planetfall/planetfall.html

Adventure Collective Review

Reviewed by John Alston Campbell. "Planetfall is a good playground for beginners to learn some of the basics of adventure gaming."
http://www.adventurecollective.com/reviews/planetfall.htm

MobyGames: Planetfall

User reviews, credits, box image, trivia, and other information.
http://www.mobygames.com/game/sheet/gameId,51/

Matthew Murray's Capsule Review

"Though certain no heavy-duty mental challenge, if you are looking for a somewhat interesting science-fiction game, and have a fair amount of patience, Planetfall might just be worth your time."
http://www.matthewmurray.net/Reviews/ComputerGames/Planetfall.html

Infocom Games: Planetfall

Box art and description, specifications, and sample transcript.
http://www.infocom-if.org/games/planetfall/planetfall.html

Infocom Documentation Project

PDF file of scanned original game manual.
http://infodoc.plover.net/manuals/planetfa.pdf