He also had recorded the differences of the text by bringing a small printed book of The Tale of Genji circulating in those days into the place where the manuscripts were preserved, comparing them on the spot, and writing down the differences on the book, because he 'had to finish investigation in quite a short time and he was not allowed to see the manuscripts again for the owner's convenience.'
「所蔵者ノ都合ニヨツテ極メテ短時間ノ内ニ調査シ、再調ノ機会ヲ許サレナカツタ」として当時出版されていた源氏物語の小型の印刷本を写本を所蔵している場所に持ち込んで本文の異同をその場で目で確認しながらその本に書き込むという方法によって本文異同を採録したような写本も存在する。