Fumihiko GOMI's study could be said to have been developed from Yashiro's conclusion in his book: 'not only does it not lose its value as source material for the Kamakura period, but there is also no comparative work,' changing his study and conjecture more concretely.
五味文彦の研究は、八代がその著書の結びとした「鎌倉時代の根本資料として価値を失わざるのみならず、恐らくは之に比敵するものあらざるべし」という方向で、更に具体的に研究と推論を発展させたものといえるだろう。