Yew

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 robe
(6, 21, D:1)
  a +0 whip
(10, 14, D:1)
  a book of Sloth
(35, -9, D:1)
  a +0 short sword
(36, 27, D:1)
  a +0 short sword
(49, -11, D:1)
  a +0 robe
(51, 17, D:1)
  a +0 leather armour

Level 2 of the Dungeon
(0, 0, D:2)
  5 boomerangs
(3, -1, D:2)
  a +0 whip
(3, 1, D:2)
  a +0 pair of boots
(8, -3, D:2)
  a +0 falchion
(10, 22, D:2)
  a +0 spear
(27, 6, D:2)
  4 stones
(29, -5, D:2)
  3 stones
(30, 16, D:2)
  a +0 robe
(36, 4, D:2)
  a +0 leather armour
(39, 12, D:2)
  a stone
(41, 12, D:2)
  8 stones
(43, 26, D:2)
  a +0 mace
(50, 19, D:2)
  a +0 club
(52, 5, D:2)
  a book of Chaos

Level 3 of the Dungeon
(5, -13, D:3)
  a +0 dagger
(15, -11, D:3)
  a +0 mace
(18, -25, D:3)
  a +0 short sword
(26, -1, D:3)
  2 stones
(27, -32, D:3)
  a +0 club
(31, 15, D:3)
  a +0 dagger
(32, 27, D:3)
  a +0 robe
(34, -12, D:3)
  a +0 flail
  a gnoll skeleton
(35, -12, D:3)
  a +0 dagger
(36, -12, D:3)
  a +0 club
(36, -11, D:3)
  a +0 whip
  a +0 robe
(41, -27, D:3)
  a +0 hand axe
(59, 6, D:3)
  a +0 dagger

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 quarterstaff
(4, -2, D:4)
  a +0 club
(5, -2, D:4)
  a jackal corpse
(6, -1, D:4)
  a jackal corpse
(10, -15, D:4)
  a +0 falchion
  a +0 leather armour
(10, -11, D:4)
  a potion of degeneration
(10, 2, D:4)
  a bombardier beetle corpse
(11, -17, D:4)
  a +0 club
(11, -16, D:4)
  a +0 short sword
(16, -14, D:4)
  3 stones
(21, 1, D:4)
  an adder corpse
(23, 0, D:4)
  a ball python corpse
(26, 0, D:4)
  a ball python corpse
(32, -12, D:4)
  a +0 club
(35, -11, D:4)
  a +0 whip
  a gnoll skeleton
(37, -12, D:4)
  a +0 spear
  a gnoll corpse
(40, -4, D:4)
  5 stones