Polybius (c.200-after 118 BCE):

The Roman Maniple vs. The Macedonian Phalanx From:Polybius, The Histories of Polybius, 2 Vols., trans. Evelyn S. Shuckburgh (London: Macmillan, 1889), pp. 226-230. Courtsey of the Internet Ancient History Sourcebook. [Rome] [Military History]

Read More about Polybius (c.200-after 118 BCE):