In addition, Fumihide TANAKA in his 1997 paper, "Kawachi Genji to sono jidai" (The Kawachi branch of the Minamoto clan and their era) (in "In-sei to sono jidai" (The government by a retired emperor and the era)) introduced the idea that Ishikawa Manor, founded by Yoshiie, donated to the Sekkan-ke and believed to have been inherited by his son, Saemonnojo Yoshitoki, after Yoshiie became Azukaridokoro, consisted of several towns and farmlands as big as several to several dozen koku (5.12 U.S. bushels) spread over a wide area.
また田中文英は1997年に書いた論文「河内源氏とその時代」（『院政とその時代』に収録）において、義家が立荘して摂関家に寄進し、自らは預所となってそれを子の左衛門尉義時が受け継いだものかと推測する石川荘が、かなり広い地域の中に散在する数町から小さいものでは数段、つまり数十石から数石ぐらいの田畑の寄せ集めの様相を示していることを紹介している。