Dai Nihon hyakka jiten, 1970 v. 12, p. 142 (Chūō Kishōdai; predecessor to Kishōchō, agency; est. 1887; reorganized 1956-nen 6-gatsu; some of the functions of the "observatory" were transferred to Tōkyō Kanku Kishōdai; during 1930s and 1940s it was placed under Unʾyushō)
Shokuinroku, 2002 (Kokudo Kōtsūshō/Kishōchō)
Fune to kaijō kishō, July 2004 verso of t.p. (Japan Meteorological Agency (JMA))