New Zork Times: How The Witness Came to Be  
   Article by Stu Galley about the game's creation.
   http://www.csd.uwo.ca/Infocom/Articles/NZT/Nztsum84.html#witness

Infocom Homepage: The Witness  
   Description, box art, release information, statistics, and packaging details.
   http://www.csd.uwo.ca/~pete/Infocom/witness.html

New Zork Times: Witness  
   Text of game announcement from Infocom's newsletter.
   http://www.csd.uwo.ca/Infocom/Articles/NZT/Nztsum83.html#witness

The Infocom Gallery: The Witness  
   High-quality scans of the gray box packaging, manual, matchbook, suicide note, and telegram.
   http://infocom.elsewhere.org/dsinclair/witness/witness.html

Review by Matthew Murray  
   "The Witness is not as thrilling to play as Infocom's other mysteries, or most of their other games, but it is still interesting and worth the time of any mystery buff."
   http://www.matthewmurray.net/Reviews/ComputerGames/Witness.html

SPAG Reviews: The Witness  
   Three reviews by Brian Reilly, Stephen Grenade, and "Bozzie".
   http://www.sparkynet.com/spag/t-z.html#witness

Infocom Documentation Project  
   PDF file of scanned orginal game manual.
   http://infodoc.plover.net/manuals/temp/witness.pdf