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WikiPedia: Hannibal http://ancienthistory.about.com/od/hannibal/p/Hann... http://www.britannica.com/EBchecked/topic/253349/H... http://www.factbehindfiction.com/index_files/hanni... http://books.google.com/books?id=7KuFCUqLA8gC&pg=R... http://books.google.com/books?vid=ISBN0198150652&i... http://books.google.com/books?vid=ISBN0198152744&i... http://books.google.com/books?vid=ISBN0306810700&i... http://books.google.com/books?vid=ISBN0306810700&i... http://books.google.com/books?vid=ISBN0306810700&i... http://books.google.com/books?vid=ISBN0306813629&i...