RPGamer

Offers basic information, FAQs and walkthroughs, codes, screenshot and packaging images, music in IT, XM, and MIDI format, and submitted fan art.
http://www.rpgamer.com/games/zelda/z3/z3.html

Mike's RPG Center

Features illustrated equipment and items lists, walkthrough, typed manual text, and maps that display various item locations.
http://mikesrpgcenter.com/zelda3/

GameFAQs

Provides message board and user submitted FAQs, guides, codes, and reviews.
http://www.gamefaqs.com/console/snes/data/9107.html

Winamp Skin

Offers a Winamp skin comprised of graphics from the game.
http://www.winamp.com/skins/reviews.jhtml?rOT=C&rOI=9641

Story

Features an original, twenty chapter story based on the game.
http://www.geocities.com/invictusdomini/Hyrule.html

Ending Sequence

Features a screenshot sequence of the game's ending. [Spoiler]
http://www.vgmuseum.com/end/snes/a/zelda3.htm

GameWinners.com

Features user submitted cheats, codes, hints, and FAQs.
http://www.gamewinners.com/snes/LegendOfZelda.htm

Nintendo: Legend of Zelda, Link to the Past, The

Includes screenshots and FAQ.
http://www.nintendo.com/games/gamepage/gamepage_main.jsp?game_id=572

Rotten Tomatoes

Reviews, information, images, and forum for Game Boy Advance version.
http://www.rottentomatoes.com/g/LegendofZeldaLinkToThePast-707933/