found:Hamada, H. Hiro no Miyasama no kyōiku jūnen, 1970.
found:Britannica academic, Apr. 24, 2019(Naruhito; original name Hironomiya Naruhito; b. Feb. 23, 1960, Tokyo, Japan; became crown prince, 1989 (formally invested, Feb. 23, 1991; bachelor's in history, Gakushuin Univ., 1982; studied marine transportation, Merton College, Oxford)
found:Los Angeles times, Apr. 29, 2019(Emperor Akihito; to abdicate to his son Crown Prince Naruhito, Tuesday [Apr. 30, 2019], to hold new title, emperor emeritus; Naruhito, elder of Akihito's two sons, to ascend the throne, Wednesday [May 1, 2019]; Masako, Naruhito's consort, former diplomat; Aiko, daughter of Naruhito and Masako, barred from inheriting under Japan's male-only succession law; line going to Fumihito (better known by childhood title, Akishino), Naruhito's brother; Hisahito, Naruhito's 12-year old son, to be next)
found:Asahi.com, Apr. 30, 2019(天皇陛下 = Tennō Heika; abdication ceremony started in Imperial Palace, morning, Apr. 30, 2019; crown prince to be enthroned at midnight, May 1, 2019; regnal era to change from Heisei to Reiwa)
found:OCLC #28250814, June 9, 2020:(access point: 徳仁, Emperor of Japan, 1960- = Naruhito, Emperor of Japan, 1960-; usage: 浩宮 = Hiro no Miya)
found:JTNDL in VIAF, Mar. 26, 2021(access point: 天皇陛下, 1960- = Tennō Heika, 1960- ; r)
Hiro no Miya Naruhito, Prince, grandson of Hirohito, Emperor of Japan, 1960-
Naruhito
天皇陛下, 1960-