ADnD Core Rulebooks
Player's Handbook
Dungeon Master's Guide
Monster Manual

ADnD Modules
A1 - Slave Pits of the Undercity
A2 - Secret of the Slavers' Stockade
A3 - Assault on the Aerie of the Slave Lords
A4 - In the Dungeons of the Slave Lords
C1 - The Hidden Shrine of Tamoachan
C2 - The Ghost Tower of Inverness
D1-2 - Descent into the Depths of the Earth
D3 - Vault of the Drow
G1-2-3 - Against the Giants
I1 - Dwellers in the Forbidden City
L1 - Secret of Bone Hill
N1 - Against the Cult of the Reptile God
Q1 - Queen of the Demonweb Pits
S1 - Tomb of Horrors
S2 - White Plume Mountain
S3 - Expedition to the Barrier Peaks
S4 - The Lost Cavern of Tsojcanth
T1 - The Village of Hommlet
T1-4 Temple of Elemental Evil
U1 - Sinister Secret of Saltmarsh
U2 - Danger at Dunwater
U3 - Final Enemy

Basic DnD Modules
B1 - In Search of the Unknown
B2 - Keep on the Borderlands
B3 - Palace of the Silver Princess
B4 - The Lost City

Expert DnD Modules
X1 - Isle of Dread
X2 - Castle Amber

Other Items
Basic Rules (Holmes)
Basic Rules (Moldvay, hardcopy)
Fiend Folio
Rogues Gallery
AD&D Permanent Character Folder
Legends and Lore (=Deities & Demigods)
Monster Manual 2
Rules Cyclopedia
Creature Catalogue
Unearthed Arcana

2E Campaign Sourcebooks
Age of Heroes
Celts (PDF and hardcopy)
Charlemagne's Paladins
Mighty Fortress

BECMI Series (Mentzer)

Original/Old DnD
Men and Magic
Monsters and Treasure
Underworld and Wilderness Adventures

Reference Sheets

Gods, Demigods and Heroes
Swords and Spells