Die Vorlage enth. insgesamt 3 Werke Includes: Latin text of Athanasius Kircher's De steganographico secreto numerorum, with facing Italian translation by Pasquale Faccia [p. [97-109]); Italian version, also by Pasquale Faccia, of 2 texts by Alexander VII: La bonne philosophie and L'art de salut, originally translated from Latin into French by F. Martial (p. [137]-180); Latin poems from Alexander VII's Philomathi musae juveniles, with facing Italian translation (p. 181 ff). Contains bibliographical references and notes | 
