The Infocom Gallery: Shogun - High quality scans of box, sword legend, and map. - http://infocom.elsewhere.org/gallery/shogun/shogun.html
Infocom Games: Shogun - A game based on James Clavell's novel "Shogun". Description and specifications. - http://www.infocom-if.org/games/shogun/shogun.html
Review by Matthew Murray - Capsule review. "Certainly not one of Infocom's finer works, Shogun can only be recommended for people who want to see what another adaptation of one of James Clavell's finest works is like." - http://www.matthewmurray.net/Reviews/ComputerGames/Shogun.html
Infocom Homepage: Shogun - Description, box art, release information, game statistics, and packaging details. - http://www.csd.uwo.ca/Infocom/shogun.html
MobyGames: Shogun - Credits, box image, screenshots, trivia, and other information. - http://www.mobygames.com/game/sheet/gameId,1241/