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Shadowofleaves.com: History of Japanese Swords
Follow the history of Japanese swords from the earliest times to present. Different kinds of swords were introduced during different historical periods with the samurai sword being the most well known.
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Military items.com: Samurai Sword Anatomy
A comprehensive article that highlights each specific part of the traditional samurai sword using text and high-quality images.
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Japanese Samurai Goods
This site contains information about the history of the Samurai sword, different terms that relate to it, and its importance. Spelling errors exist, presumably because of translation.