The demons in the Goetia are malign spirits most popularly described in the Lesser Key of Solomon[1] (including the variation owned by Thomas Rudd[2]) and Johann Weyer's Pseudomonarchia Daemonum.[3] Many also appear in related works including the Liber Officium Spirituum,[4][5] the Livre des Esperitz,[6][7][8] and the Munich Manual of Demonic Magic.[9][10][11] Some of these spirits also appear in other demonological works such as the Testament of Solomon,[12] the Magical Treatise of Solomon,[13] a 15th century manuscript[14] titled "Fasciculus Rerum Geomanticarum",[15] the Book of Abramelin,[16] the Grimoire of Pope Honorius,[17][18][19] the Grand Grimoire,[19] the Grimoirium Verum,[20] and Jacques Collin de Plancy's Dictionnaire Infernal.[21]