Kanai, Madoka; Nitta, Hideharu; Yamagiwa, Joseph Koshimi (1966). A Topical History of Japan. UM Libraries. p. 42. UOM:39015005373116.
Brownlee, John S. (2011). Japanese Historians and the National Myths. UBC Press. p. 122. ISBN978-0-7748-4254-9. «[A 1911 Japanese textbook reads: 'After 1336,] the Yoshino Court was called the Southern Court, and the Kyoto Court was called the Northern Court.'».
