- One can be found in Fort Greymoor before the Battle for Whiterun. The staff is held by a bandit inside the prison
- Two can be found in Fellglow Keep before doing the quest "Hitting the Books".
- Lu'ah Al-Skaven in Ansilvund may carry one.
- Found as a world item or as random loot.
- Can be purchased from mages at the College of Winterhold.