Even after Emperor Yozei abdicated, the emperors Koko, Uda and Daigo were all suspicious about the situation; some people have said that historical books such as "Nihon Sandai Jitsuroku" and "Shin Kokushi" were edited to prove the justice of those emperors in going against Retired Emperor Yozei.
また、退位後も光孝・宇多・醍醐天皇の諸帝の警戒感は強く、『日本三代実録』や『新国史』の編纂は陽成上皇に対して自己の皇統の正当性を主張するための史書作成であったとする説がある。