- Back to Ancient History Sourcebook | Ancient History Sourcebook: Polybius (c.200-after 118 BCE): The Character of Hannibal The Histories, Book IX, Chapters 22-26: Of all that befell the Romans and Carthaginians, good or bad, the cause was one man and one mind---Hannibal. For it is notorious that he managed the Italian campaigns in person, and the Spanish by the agency of the elder of his ...www.fordham.edu/halsall/ancient/polybius-hannibal.html