Dungeons & Dragons comes of age | Players Handbook (AD&D 1e)
1st Edition (Advanced D&D) - Red Box Players Manual & Dungeon Masters Rulebook (Acceptable) - Tabletop Games » Role Playing Games » Dungeons & Dragons » 1st Edition - Blue Ox Games
Dungeons & Dragons Basic Set - Wikipedia
D&D General - The Sales of D&D vs. AD&D vs. AD&D 2nd Edition | EN World Tabletop RPG News & Reviews
D&D Classics: I5 Lost Tomb of Martek (1E) for Fantasy Grounds
Why and how I'm playing First Edition AD&D | The Mad Cleric