This is a list of books that I have used for references,

Samurai, warfare and the state in early medieval Japan (Google eBook)
Karl F. Friday, Psychology Press, 2004
http://books.google.com/books?id=q5KBjpGSRgkC...mp;f=false


The sword book in Honchō gunkikō and The book of Samé, Kō hi sei gi of Inaba Tsūriō, Hakuseki Arai, Tsūryū Inaba
C. E. Tuttle, 1963
http://books.google.com/books?id=JWceAAAAIAAJ...CDMQ6AEwAw


The connoisseur's book of Japanese swords, Kōkan Nagayama, Kodansha International, Mar 30, 1998
http://books.google.com/books?id=zPyswmGDBFkC...mp;f=false


Classical weaponry of Japan: special weapons and tactics of the martial arts, Serge Mol, Kodansha International, Jun 17, 2003
http://books.google.com/books?id=ZzIXkFec0e8C...mp;f=false


The Japanese sword, Kanzan Satō, Kodansha International, May 30, 1983
http://books.google.com/books?id=vFS2iT8QjqEC...mp;f=false


Samurai: The Weapons and Spirit of the Japanese Warrior, Clive Sinclaire
Globe Pequot, Nov 1, 2004
http://books.google.com/books?id=IQ3FAZG94ZsC...mp;f=false


Swords of the Samurai, Victor Harris, Nobuo Ogasawara, Published for the Trustees of the British Museum by British Museum Publications, 1990
http://books.google.com/books?id=5mEUAQAAIAAJ...YQ6AEwBDgK


The new generation of Japanese swordsmiths, Tamio Tsuchiko, Kenji Mishina, Kodansha International, Jun 14, 2002
http://books.google.com/books?id=BWy3gx-0PR8C...amp;f=true


Katana: The Samurai Sword, Stephen R. Turnbull, Osprey Publishing, 2010
http://books.google.com/books?id=V6gFRbw4BFQC...amp;f=true

Taiho-jutsu: law and order in the age of the samurai, Don Cunningham, Tuttle Publishing, Apr 15, 2004
http://books.google.com/books?id=g5BP7DGuNFsC...mp;f=false

A Glossary of the Construction, Decoration and Use of Arms and Armor: In All Countries and in All Times, George Cameron Stone, Courier Dover Publications, Jul 2, 1999
http://books.google.com/books?id=J5PgapzD6FoC...mp;f=false

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