Book of Ur
- Undercity, Keeper Bel'Dugur
*Leather Boots <or> Mail Bracer*

Find the Shadowstalkers
- Sepulcher, High Executioner
*Cloth Mantle*

Kill Arugal
- Sepulcher, Archmage
*Seal of Sylvanas*


This is from the top of my head. They are all rated as level 26ish quests.