Pseudomonarchia Daemonum Iohannes Wierus, 1577
Astaroth
Duke, most mighty
A
Rideth upon an infernal dragon, carrying a viper in his right hand. He is foul of breath and the conjurer must guard his face with a silver ring.
He teacheth the liberal sciences perfectly. He declareth how spirits fell and the reason thereof. He himself would have the conjurer believe he fell not of his own accord.
Wednesday, but the conjurer must not approach too near