EDO Period

Wasan Institute

Okumura's paper

Scientific American Article by Tony Rothman and Hidetoshi Fukagawa - Temple Geometry

Tony Rothman Temple Geometry

Nagashima Takashi page (Japanese)

The Wasan Room (Japanese)

Takakazu Seki Kowa - St Andrews

Chokuyen Naonobu Ajima - St Andrews

Aida Yasuaki - St Andrews

Ogawa san's Home Page

General History

Tokugawa museum

Edo Tokyo museum

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