From such a career, the diary has detailed entries about conflicts between the Kamo-jinja Shrines, the Great Thanksgiving Festival in 1466 that in fact became the last such festival held in the medieval period, the relationship between court aristocrats and warriors (Muromachi bakufu (Japanese feudal government headed by a shogun)), the circumstances of the Onin War, what the frequently-occurring do-ikki (uprisings of cultivators and other commoners) were like, and the ordinary life of court nobles, etc., so it is an important historical source to know about this period.
このような経歴から、賀茂神社間の争いに関わる話や、事実上中世最後となった文正元年（1466年）の大嘗祭に関する記事、公家と武家（室町幕府）の関係、応仁の乱の経緯、頻発した土一揆の様子、さらに普段の公家の生活などが詳細に記されており、同時代を知る上での一級史料といえる。