The Land of Oz - Being an Account of the Further Adventures of the Scarecrow and Tin Woodman; A Sequel to the Wizard of Oz #265605

Mombi was not exactly a Witch, because the Good Witch who ruled that part of the Land of Ozhad forbidden any other Witch to exist in her dominions. So Tip's guardian, however much she might aspire to working magic, realized it was um lawful to be more than a Sorceress, or at most a Wizardess.