That is why "Azuma Kagami" is divided into two groups of text, the one owned by the Kanazawa Library and the one Tokitsura OTA kept at hand, and it is conjectured that the latter was brought to Kyo with Tokitsura OTA, moved to the other house just like the diary written in Muromachi period, and then might have become the foundation of Yoshikawabon.
それらのことから『吾妻鏡』には金沢文庫に収められたものと、太田時連が手元に所持したものの2つがあり、太田時連とともに京に行ったものが、その日記同様に室町時代に他家の所持に移り、吉川本の元となったのかもしれないと推測される。