Secrets of the Samurai Sword http://www.pbs.org/wgbh/nova/samurai/swor-nf.html http://www.pbs.org/wgbh/nova/samurai/swor-nf.html http://www.pbs.org/wgbh/nova/samurai/swor-nf.html Secrets of the Samurai Sword http://www.pbs.org/wgbh/nova/samurai/swor-nf.html pbs.org PBS; segredos da espada samurai; 2007 [em inglês] making samurai swords http://www.pbs.org/wgbh/nova/samurai/swor-nf.html Secrets of the Samurai Sword PBS; Secretos de la espada del samurai; 2007 http://www.pbs.org/wgbh/nova/samurai/swor-nf.html pbs.org http://www.pbs.org/wgbh/nova/samurai/swor-nf.html pbs.org pbs.org pbs.org process of constructing a samurai sword http://www.pbs.org/wgbh/nova/samurai/swor-nf.html http://www.pbs.org/wgbh/nova/samurai/swor-nf.html forging a sword http://www.pbs.org/wgbh/nova/samurai/swor-nf.html