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Dictionary of Medieval Knighthood and Chivalry by Bradford Broughton (NY, Greenwood Press, 1986, 0-313-24552-5)

Hafted Weapons in Medieval and Renaissance Europe: The Evolution of European Staff Weapons Between 1200 and 1650 by John Waldman (Brill, 2005, 90-04-14409-9)

Medieval Military Technology by Kelly DeVries (Broadview Press, 1998, 0-921149-74-3)