There exist some old references like "Mumyozoshi," "Imakagami (The Mirror of the Present)" and "Genji Ipponkyo," which state that there are 60 volumes in "The Tale of Genji."
『無名草子』や『今鏡』、『源氏一品経』のように古い時代の資料に『源氏物語』を60巻であるとする文献がいくつか存在する。