X-Entertainment: Ten Mysteries of The Legend of Zelda

Offers a comic perspective with a variety of screenshots on ten aspects of the game. [Profanity]
http://www.x-entertainment.com/messages/578.html

Astro64th's Nintendo Gallery: Info

Includes background information, story summary, information relating to the Japanese version of the game, and title screen screenshot.
http://www.fortunecity.com/business/fleming/1485/id15.htm

RPGamer

Offers basic information, FAQs and walkthroughs, codes, screenshot and packaging images, desktop theme files, music in IT, XM, and MIDI format, and submitted fan art.
http://www.rpgamer.com/games/zelda/z1/z1.html

Video Game Reviews

Offers multiple user submitted reviews of the game.
http://www.videogamereviews.vg/nes_review/legend_of_zelda.shtml

A Road Map for the Legend of Zelda Cartridge

Features technical information on the catridge used for the game.
http://hem.passagen.se/flubba/download/zelda_roadmap.html

The Complete Zelda Guide

Offers a variety of printer friendly and illustrated maps of the overworld and dungeons, illustrated item and enemy lists, screenshot section, typed manual text, and staff credits for the game.
http://www.algonet.se/~longbow/zelda/index.htm

|tsr's NES Archive: Zelda Commercial

Offers a summary, pictures, and a short sound clip of a television commercial for the game.
http://www.atarihq.com/tsr/ad/2/zelda.html

Crude ASCII Maps

Offers text based and screenshot comprised maps of the overworld and dungeons. Also features a few codes and sheet music for the game.
http://www.monmouth.com/~colonel/videogames/zelda/index.html

GameFAQs

Offers message board and user submitted FAQs, guides, codes, and reviews.
http://www.gamefaqs.com/console/nes/data/7882.html

Zelda Tech

Offers software to change the game overworld by editing the ROM image file.
http://geocities.com/ztechhome