 However, looking deeper into his descriptions reveals that he perceives local Jews as holding an ancestral memory of the Chaldean inscription but not having historical evidence to back up their ‘memories’ of the past; they told Ranzano about the existence of an ancient book but they had no copy of it.In contrast, a Pisan Jew, Isaac Guglielmo, who owned the book which the local Jews where referring to and showed it to Ranzano.Correlating with Augustinian tradition, Ranzano would perceive the Jews as custodians of the past who could corroborate the writings in the inscription.