A transcript of an interview on Compuserve, at the GameSIG online conference on July 18, 1984 with Michael Berlyn, author of "Cyborg", "Oo-Topos", "Suspended" and "Infidel".
Infocom games, authors, history, statistics, interpreters, and tools, by Paul David Doherty. (v4.95, 22 June 2007)
The Encyclopedia Frobozzica (Abridged Edition), edited by Nino Ruffini and ported to the Inform format by Digby McWiggle. (source code is in games/source/inform/Frobozzi.inf) [file is linked to games/zcode/Frobozzi.z5]
The entire Encyclopaedia Frobozzica, converted to PDF format by John Holder
Encyclopaedia Frobozzica, revised final abridged edition, edited by Nino Ruffini
Infocom game information table by Paul D. Smith (13jan93)
The Infocom Bugs List version 4 (26nov2000), by Graeme Cree. An attempt to show all known bugs in Infocom's 35 text games.
Down From the Top of Its Game: The Story of Infocom, Inc. by Hector Briceno, Wesley Chao, Andrew Glenn, Stanley Hu, Ashwin Krishnamurthy, and Bruce Tsuchida MIT, 15dec2000
Presentation of the above paper, MIT, 13dec2000
An edited transcript of the GAMERS Forum's INFOCOM REUNION CONFERENCE on February 18th, 1992. Guests included Marc Blank, Dave Lebling, Stu Galley, Amy Briggs, Bob Bates, Steve Meretzky, Brian Moriarty and Mike Berlyn.
MDL Primer and Manual (1977) by Stu Galley and Greg Pfister. This documents the MDL interpreter version 54 (ITS) and version 104 (TENEX), and is an earlier version of "The MDL Programming Language" document that is also here.
The MDL Programming Environment (1980), by David Lebling.
The MDL Programming Language (1979), by Stu Galley and Greg Pfister. This documents the MDL interpreter version 55 (ITS) and version 105 (TENEX and TOPS-20).
The MDL Programming Language Primer (1980), by Michael Dornbrook and Marc Blank.
Transcript of an on-line conference with Brian Moriarty, place and date unknown
Infocom Sound File Formats, by Stefan Jokisch last updated 06feb96
HTML document detailing what the Tandy Bit does in Infocom games. The information was posted by Jake Wildstrom, and converted to HTML by Gunther Schmidl.