Yamada, Akiko (December 2005). 四条宮藤原寛子の摂関家における位置 [Consideration of Shijonomiya-Fuziwarakanshi's Standpoint among the Family of Regent and Chief Adviser to the Emperor] (PDF). Sundai Historical Review (in Japanese). 126: 17–49. Archived from the original(PDF) on 9 July 2020. Retrieved 16 February 2014.
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Yamada, Akiko (December 2005). 四条宮藤原寛子の摂関家における位置 [Consideration of Shijonomiya-Fuziwarakanshi's Standpoint among the Family of Regent and Chief Adviser to the Emperor] (PDF). Sundai Historical Review (in Japanese). 126: 17–49. Archived from the original(PDF) on 9 July 2020. Retrieved 16 February 2014.