Descartes

Level 3 of the Dungeon
(0, 0, D:3)
  a serpent talisman
(10, 17, D:3)
  a +0 short sword
  4 poisoned darts
(21, 25, D:3)
  a rat corpse (skeletalised by now)
(40, 46, D:3)
  a +0 buckler
(40, 48, D:3)
  a bat corpse (skeletalised by now)

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 scimitar

Level 5 of the Dungeon
(0, 0, D:5)
  a +1 hand axe of draining
(16, 10, D:5)
  a potion of brilliance

a sewer
(0, 0, Sewer)
  a scroll of vulnerability
(5, -6, Sewer)
  a jackal corpse
(7, -5, Sewer)
  a river rat corpse
(7, -1, Sewer)
  a giant cockroach corpse
(8, 5, Sewer)
  a quokka corpse
(24, 12, Sewer)
  a bat skeleton
(53, -2, Sewer)
  a river rat corpse (skeletalised by now)