Albert of Mainz (Albert of Brandenburg, German: Albrecht von Brandenburg); Elector and Archbishop of Mainz; 1490-1545. "Instructio summaria pro co (m) missarijs: penitentiarijs..." (Albert of Mainz's instructions for the sale of indulgences by Pope Leo X to raise money for the construction of St. Peter's Basilica in Rome). Leipzig (Melchior Lotter the Elder), c. 1517. Title woodcut.