Okigo Jizai

Okigo Jizai (置碁自在) is a book written by Hattori Inshuku, published in 1824. It consists of ten volumes, each containing handicap game openings of a certain number of stones.

There is a digitized version of the first nine volumes at the Waseda University http://www.wul.waseda.ac.jp/kotenseki/html/wo09/wo09_03704/index.html.

The tenth volume is available at the Japanese National Diet Library online collection: http://dl.ndl.go.jp/info:ndljp/pid/861111