Most of the earliest old commentaries on The Tale of Genji which were made from the Kamakura period to the Muromachi period such as "Suigen-sho Commentary," "Shimei-sho," "Genchusaihi-sho,"etc., were based on the dominant Kawachi-bon line manuscripts.
『水原抄』、『紫明抄』、『原中最秘抄』など、鎌倉時代から室町時代にかけて作られた源氏物語の初期の古注釈書のほとんどが注釈の対象となる本文としてこの当時有力な本文であった河内本系統の本文を使用していたこと。