whodunnit

Level 1 of the Dungeon
[Shop] Yphetine's Book Boutique
  a parchment of Olgreb's Toxic Radiance (258 gold)
  a parchment of Alistair's Intoxication (310 gold)
  a parchment of Magic Dart (103 gold)
  a parchment of Borgnjor's Vile Clutch (310 gold)
  a parchment of Maxwell's Capacitive Coupling (465 gold)
  a parchment of Summon Small Mammal (103 gold)
  a parchment of Call Canine Familiar (206 gold)
(5, 12, D:1)
  a +0 short sword
(5, 19, D:1)
  a +0 club
  a goblin skeleton
(23, 41, D:1)
  a bat corpse (skeletalised by now)
(25, 47, D:1)
  a quokka corpse (skeletalised by now)
(26, 20, D:1)
  a hobgoblin skeleton
(40, 13, D:1)
  a +0 ring mail
(53, 34, D:1)
  a +0 leather armour

Level 2 of the Dungeon
(0, 34, D:2)
  a +0 club
  a kobold skeleton
(1, -9, D:2)
  a +0 hand axe
(6, -3, D:2)
  a +0 dagger
  2 stones
  a kobold corpse (skeletalised by now)
(10, 37, D:2)
  a quill talisman
(15, 20, D:2)
  a +0 quarterstaff
(16, 24, D:2)
  a +0 club
  a goblin skeleton
(18, 5, D:2)
  a +0 club
  a goblin skeleton
(19, 5, D:2)
  a rat skeleton
(20, 5, D:2)
  a +0 whip
  a kobold skeleton
(23, 6, D:2)
  a +0 ring mail
(29, 37, D:2)
  a ball python skeleton
(33, 2, D:2)
  a +0 dagger
(33, 17, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(34, -3, D:2)
  a +0 club
  a goblin skeleton
(47, 18, D:2)
  a +0 scale mail
(49, 26, D:2)
  a +0 dagger
  a goblin skeleton
(49, 35, D:2)
  a quokka skeleton
(50, 35, D:2)
  a +0 hand axe

Level 3 of the Dungeon
[Shop] Raodudghax's Book Shoppe
  a parchment of Jinxbite (169 gold)
  a parchment of Searing Ray (169 gold)
  a parchment of Petrify (282 gold)
  a parchment of Summon Mana Viper (338 gold)
  a parchment of Swiftness (225 gold)
  a parchment of Diamond Sawblades (451 gold)
  a parchment of Alistair's Intoxication (338 gold)
[Shop] Kuiklike's Distillery
  a potion of brilliance (52 gold)
  2 potions of cancellation (unknown) (208 gold)
  a potion of might (52 gold)
  a potion of heal wounds (104 gold)
  a potion of curing (39 gold)
  a potion of haste (130 gold)
  a potion of resistance (unknown) (130 gold)
  a potion of curing (39 gold)
  a potion of attraction (unknown) (39 gold)
[Shop] Taqiom's General Store
  a parchment of Construct Spike Launcher (169 gold)
  a phantom mirror (480 gold)
  a +0 ring mail (48 gold)
  a +0 pair of gloves (54 gold)
  the blade talisman of Nuderil {Str+2 Dex+2} (1152 gold)
    [blade talisman]
    Str+2:      It affects your strength (+2).
    Dex+2:      It affects your dexterity (+2).
  a parchment of Sticky Flame (282 gold)
  a parchment of Airstrike (282 gold)
  a lightning rod (4/4) (480 gold)
  a +0 leather armour (24 gold)
  a +6 scimitar of flaming (513 gold)
[Shop] Duelo's Armour Shoppe
  +0 steam dragon scales (440 gold)
  a +2 chain mail of cold resistance (253 gold)
  a +0 ring mail (44 gold)
  a +2 robe of fire resistance (196 gold)
  a +0 helmet (49 gold)
  a +0 plate armour (198 gold)
[Shop] Imiqa's Assorted Antiques
  a +0 robe (19 gold)
  a +0 pair of gloves (99 gold)
  a +6 ring of strength (792 gold)
  a phantom mirror (880 gold)
  a box of beasts (880 gold)
(5, 21, D:3)
  a +0 robe
  a +0 scythe
  the human skeleton of Sigmund
(12, 8, D:3)
  an adder skeleton
(14, 21, D:3)
  a +0 short sword
(24, 9, D:3)
  a kobold corpse (skeletalised by now)
(24, 21, D:3)
  a +0 mace
(25, 9, D:3)
  a +0 club
  an orc corpse (skeletalised by now)
(28, -12, D:3)
  a rat corpse (skeletalised by now)
(37, 26, D:3)
  an adder skeleton
(39, -1, D:3)
  a ball python corpse (skeletalised by now)
(45, 19, D:3)
  a +0 club

Level 4 of the Dungeon
[Shop] Setid's Mayhem Merchandise
  a +0 war axe (35 gold)
  a +2 executioner's axe of venom (300 gold)
  a wand of iceblast (5) (unknown) (120 gold)
  a +0 broad axe (90 gold)
  a +0 war axe (35 gold)
  a book of Fire (320 gold)
  a wand of iceblast (9) (unknown) (216 gold)
  a wand of iceblast (5) (unknown) (120 gold)
  a book of Ice (480 gold)
(2, 1, D:4)
  a +0 whip
  a gnoll corpse (skeletalised by now)
(3, 1, D:4)
  11 gold pieces
(4, 1, D:4)
  a +0 club
(5, 3, D:4)
  a +0 flail
(6, 5, D:4)
  a quokka corpse (skeletalised by now)
(6, 8, D:4)
  a +0 giant spiked club
(6, 9, D:4)
  an ogre corpse (skeletalised by now)
(7, -5, D:4)
  a +0 club
  a goblin corpse (skeletalised by now)
(8, 2, D:4)
  a potion of enlightenment
(9, -5, D:4)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(11, 6, D:4)
  a scroll of noise
(18, 18, D:4)
  a parchment of Call Canine Familiar
(26, 16, D:4)
  a +0 dagger
(28, 14, D:4)
  a +0 flail