This is the list I came up with.
- Original D&D booklets
- These are really for the treasure charts. I might substitute another core rulebook but I'd probably have Monsters & Treasure handy anyway.
- Dungeon Masters Guide (Gary Gygax / TSR)
- I usually use this for gems and jewelry - really only for referencing the values and deciding what the types are. I also reference the dungeon dressing stuff from time to time.
- Ready Ref Sheets (Judges Guild)
- This is for Startling Statues, Precious Pearls, the charts for determining ruin types, and the chart for determining what you find if you search.
- Dyson's Delves (Dyson Logos)
- If I had to run an adventure tomorrow, I'd steal one of Dyson's maps.
- The Dungeon Alphabet (Michael Curtis / Goodman Games)
- More charts. The charts in this are fun.
- The Random Esoteric Creature Generator (James Raggi / Goodman Games)
- I'd probably roll up a monster to be weird.
- Isle of the Unknown and Dungeon of the Unknown (Geoffrey McKinney / Lamentations of the Flame Princess)
- This is for stealing weird monsters, statues and encounter ideas. And rolling up a glop, I love those things.*
- Swords & Wizardry Monstrosities (various / Frog God Games) or Adventures Dark & Deep Bestiary (Joseph Bloch / BRW Games)
- This is for stealing "normal" monsters. Both of these books are pretty freakin' massive. I might grab another monster book but you can't go wrong with those two.
So, dear readers, what books would you use for these purposes?