Descartes

Level 1 of the Dungeon
(5, 29, D:1)
  a +0 dagger
(6, 17, D:1)
  a +0 dagger
(38, -22, D:1)
  a +0 ring mail
(58, 35, D:1)
  a +0 buckler

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
(7, -19, D:2)
  a +0 club
(12, -32, D:2)
  a +0 dagger
(19, -1, D:2)
  a +0 ring mail
(32, -5, D:2)
  a +0 club
(36, -4, D:2)
  a +0 club
(58, 0, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
(4, -10, D:3)
  a +0 club
(10, 0, D:3)
  a +0 hand axe
(10, 4, D:3)
  a +0 dagger
  a goblin skeleton
(11, 2, D:3)
  a +0 dagger
  a goblin skeleton
(15, -4, D:3)
  a +0 flail
(17, 26, D:3)
  a +0 leather armour
(20, 17, D:3)
  a +0 scale mail
(25, 6, D:3)
  2 potions of degeneration
(25, 27, D:3)
  a +0 short sword
(28, 31, D:3)
  a +0 club
(32, 20, D:3)
  a +0 club
(32, 21, D:3)
  a +0 scythe
  a +0 robe

Level 4 of the Dungeon
(13, -18, D:4)
  a +0 spear
  a +0 animal skin
  a +0 helmet
  the hobgoblin skeleton of Robin
(14, -22, D:4)
  a hobgoblin skeleton
(14, -20, D:4)
  a goblin skeleton
(14, -16, D:4)
  a +0 club
(23, -3, D:4)
  a +0 giant club
(31, -28, D:4)
  a +0 hunting sling
(33, -29, D:4)
  a quokka skeleton
  a scorpion corpse
(35, -29, D:4)
  a giant cockroach corpse
(36, -2, D:4)
  a +0 club
(37, -25, D:4)
  a +0 club
(37, -3, D:4)
  a goblin corpse (skeletalised by now)
(45, -27, D:4)
  a killer bee corpse
(49, -27, D:4)
  a stone (still there?)
  16 gold pieces (still there?)