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• A Visual Sourcebook for Chinese Civilization: Crossbows
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Sources

• Ball, Donald B. "Notes on West African Crossbow Technology." African-American Archaeology. Spring-Summer 1996.
  http://www.diaspora.uiuc.edu/A-AAnewsletter/newsletter16.html
• Excalibur Crossbows. Crossbow Video.
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• Excalibur. Crossbow Basics.
  http://www.excaliburcrossbow.com/demo/m/content/article.php?content_id=152
• Fitz Museum. Unknown Maker, Germany
  http://www.fitzmuseum.cam.ac.uk/pharos/collection_pages/northern_pages/Hen.M.411/TXT_SE-Hen.M.411.html
• Martin Archery. The Facts about Archery.
  http://www.martinarchery.com/faq/facts.php
• Medieval Crossbows
  http://198.144.2.125/Crossbows/crossbows.htm
• Middleton, Richard. "The Practical Guide to Man-Powered Bullets." Stackpole Books. 2005.
• Mr. Fizzix: The Physics of Archery
  http://www.mrfizzix.com/archery/
• New World Arbalest. First Book of Crossbows.
  http://www.crossbows.net/iolo.html
• Newton's Apple. Archery.
  http://www.reachoutmichigan.org/funexperiments/agesubject/lessons/newton/Archery.html
• Old Basing Archers. The Bow with Wheels.
  http://www.oldbasingarchers.co.uk/compound/tbww.htm
• Rees, Gareth. "The Longbow's Deadly Secrets." New Scientist. June 5, 1993.
  http://www.newscientist.com/article/mg13818763.800-the-longbows-deadly-secrets-english-
  success-at-the-battleof-agincourt-can-largely-be-put-down-to-strips-of-yew-wood-strung-
  withlinen-what-made-this-weapon-so-lethal.html
• Repeating Chinese Crossbow
  http://codesmiths.com/shed/things/knives/chinese_repeating_crossbow/
• Smith, Hovey. "The Modern Hunting Crossbow." Cabelas.
  http://www.cabelas.com/story-123/hovey_smith_crossbow/51/The+Modern+Hunting+Crossbow.shtml
• Tapley, Joe. "Some Notes on the Mechanics of Archery."
  http://homepage.ntlworld.com/joetapley/
• Taylor, Rich. "Wheels of Fire." Popular Mechanics. 8/12/2003.
  http://www.popularmechanics.com/outdoors/outdoors/1278086.html?page=2&c=y
• The New Illustrated Science and Invention Encyclopedia. H.S. Stuttman Inc. 1989. "Crossbow."
• The Physics Classroom. Work, Energy, and Power. Lesson 1.
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• Traditional Archery Supply. Recurve Bows: History and Thoughts.
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