Links
The following lists sites that have full-text images of Wasan reference materials:
- Tohoku University: Wasan Shiryo DB
- https://www.i-repository.net/il/meta_pub/G0000398tuldc
- Kyoto University Rare Materials Digital Archive: Mathematics In Classics (Dep. Math.)
- https://rmda.kulib.kyoto-u.ac.jp/en/collection/math
- Ochanomizu University Library: Wasan (Japanese mathematics) Collection
- http://www.lib.ocha.ac.jp/digital_wasan.html
- Yamagata University Kojirakawa Library: The Sakuma collection
- https://www.lib.yamagata-u.ac.jp/yktop/holding/collection/sakuma/
- Chiba Prefectural Library: Boso Mathematical Library
- http://www.library.pref.chiba.jp/nanohana/archive/guide_04.html
- Wasan Hall (Mr. Kotera Hiroshi): Wasan Book Archive
- http://www.wasan.jp/archive.html
Full-text images of magazines and treatises related to Wasan
For Tokyo Sugaku Kaisha Zasshi and its successor and Tohoku Sugaku Zasshi, you may read their full text at Tohoku Mathematical Journal ( http://www.math.tohoku.ac.jp/tmj/Emain.html ).
For Sugakushi Kenkyu, you can view its full-text image from the general contents ( http://www.wasan.earth.linkclub.com/english/math_indexe.html ).
Sites related to Wasan
- NPO WASAN (Society for Diffusing Wasan)
- https://i-wasan.sakura.ne.jp/npo/
- Wasan Hall (Mr. Kotera Hiroshi): Sangaku across Japan
- http://www.wasan.jp/english/index.html
References to Wasan
- Wasan Hall (Mr. Kotera Hiroshi): Wasan Data Base (database of Wasan terminology)
- http://www.wasan.earth.linkclub.com/cgi-bin/database.cgi
- Wasan Hall (Mr. Kotera Hiroshi): Wasan Chronology
- http://www.wasan.jp/nenpyo/nenpyo1.html
Wasan exhibition (with an exhibit of picture records)
- Kyoto University Library: “The Era of Wasan” held in 2003
- https://edb.kulib.kyoto-u.ac.jp/tenjikai/2003/wasan.html
Others
- Wasan Hall (Mr. Kotera Hiroshi): Geometric Formulae in Wasan
- http://www.wasan.jp/kosiki/kosiki.html
In addition to the above, you may find more websites provided by Wasan researchers and enthusiasts across Japan.