Choya gunsai was edited by MIYOSHI no Tameyasu, San hakase (Doctor of Numbers), who classified monjo (written materials) n the Heian period such as prose and poetry, imperial decrees, official documents from the Dajokan (Great Council of State).
朝野群載（ちょうやぐんさい）は平安時代の詩文・宣旨・官符・書札等各種文書を分類して算博士・三善為康が編纂したもの。