Over 400 years after the death of Sanetaka, the manuscript in his own hand was handed down in the Sanjonishi family, but after the Pacific war the manuscript was moved to The Historiographical Institute of Tokyo University and is still preserved there.
実隆の死後400年以上にわたって、自筆の原本は三条西家に代々伝えられてきたが、太平洋戦争後に東京大学史料編纂所に移管され、現在も同所に所蔵されている。