Here's a written list...
3rd Edition Forgotten Realms Books:
Forgotten Realms Campaign Setting
Races of Faerun
Faiths and Pantheons x 2
Lords of Darkness (softcover) x 2
Silver Marches (softcover)
City of the Spider Queen (softcover)
3.5 Forgotten Realms Books:
Dragons of Faerun x 2
Serpent Kingdoms
Player's Guide to Faerun x 2
Unapproachable East
Shining South
Lost Empires of Faerun
Underdark
Champions of Ruin
Magic of Faerun (softcover) x 2
3.5 Complete Books:
Complete Arcane
Complete Adventurer
Complete Warrior
Complete Mage
Complete Scoundrel
Complete Divine
Other 3.0 Books:
Epic Level Handbook x 2
Monster Manual II x 2
Deities and Demigods
Manual of the Planes
Oriental Adventures
Ghostwalk
Fiend Folio
Other 3.5 Books:
Monster Manual III
Races of Stone
Races of Destiny
Races of the Wild
Libris Mortis
Book of Exalted Deeds
Unearthed Arcana
Tome of Battle: The Book of Nine Swords
Weapons of Legacy
Sandstorm
Magic of Incarnum
Heroes of Battle
Player's Handbook II
Dungeon Master's Guide II