sangaku biyo taisei

Sangaku biyou taisei

Sangaku hiyou

Sangaku tekiyou

sangaku yohoki

Indo biyo keikenho

Sangaku

sangaku keiko taizen

Sangaku hyakubunzan

kaisanki taisei

Sangaku shiken dairin : sangaku kyoujusho furoku

Sangaku shiken dairin : sangaku kyoujusho furoku

Sangaku kihan

Sangaku kihan

Sangaku kihan

Sangaku kihan

Sangaku kouhon

Sangaku shoho

Sangaku shinpen

Sangaku shinpen

Sangaku nyuumon

Sangaku kihan

Sangaku kihan

Sangaku kyoutei

Sangaku shinshi