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Edgar Allan Poe, "Maelzel's Chess-Player," Southern Literary Journal, April 1836; available on the internet via the Edgar Allan Poe Society (页面存档备份,存于互联网档案馆) of Baltimore, Maryland, URL accessed 19 December 2006.
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Edgar Allan Poe, "Maelzel's Chess-Player," Southern Literary Journal, April 1836; available on the internet via the Edgar Allan Poe Society (页面存档备份,存于互联网档案馆) of Baltimore, Maryland, URL accessed 19 December 2006.
Ernest Wittenberg, "Échec! (页面存档备份,存于互联网档案馆)," American Heritage Magazine, 1968. 于2007年1月1日访问。