The 34th Grandmaster of the Togakure-ryū Ninjutsu school. His books are the most famous in the field.
(Masaaki Hatsumi books download) 5. Essential Historical Manuals nindziutsu skachat knigu besplatno
Best for very old, historical texts related to Japanese culture and philosophy. 2. Specialized Martial Arts Communities The 34th Grandmaster of the Togakure-ryū Ninjutsu school
For legal and free access to historical or public domain martial arts texts: nindziutsu skachat knigu besplatno
A massive repository where you can find digitized versions of classic martial arts manuals and books on Japanese history.