Nussbaum, Louis-Frédéric. (2005). "Goki-shichidō" in Japan Encyclopedia, p. 255.
gebco.net
IOC-IHO/GEBCO SCUFN-XIV/3, "75 Bungo Seamount," p. 67 [PDF 79 of 120]; excerpt, "Bungo" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
IOC-IHO/GEBCO SCUFN-XIV/3, "74 Buzen Seamount," p. 67 [PDF 79 of 120]; excerpt, "Buzen" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
IOC-IHO/GEBCO SCUFN-XIV/3, "73 Chikugo Seamount," p. 67 [PDF 79 of 120]; excerpt, "Chikugo" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
IOC-IHO/GEBCO SCUFN-XIV/3, "72 Chikuzen Seamount," p. 67 [PDF 79 of 120]; excerpt, "Chikuzen" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
IOC-IHO/GEBCO SCUFN-XIV/3, "79 Higo Seamount," p. 68 [PDF 80 of 120]; excerpt, "Higo" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
IOC-IHO/GEBCO SCUFN-XIV/3, "76 Hizen Seamount," p. 68 [PDF 80 of 120]; excerpt, "Hizen" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
IOC-IHO/GEBCO SCUFN-XIV/3, "77 Komahashi Seamount," p. 68 [PDF 80 of 120]; excerpt, "Komahashi" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
IOC-IHO/GEBCO SCUFN-XIV/3, "71 Komahashi-daini Seamount," p. 67 [PDF 79 of 120]; excerpt, "Komahashi" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
Intergovernmental Oceanographic Commission of UNESCO. 2001. "70 Niahinoomote Seamount,"Summary Report of the 14th meeting of the GEBCO sub-committee on Undersea Feature Names (SCUFN), also known as IOC-IHO/GEBCO SCUFN-XIV/3, pp. 66-67 [PDF 78-79 of 120]; excerpt, "Nishinoomote" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
IOC-IHO/GEBCO SCUFN-XIV/3, "80 Osumi Seamount," p. 68 [PDF 80 of 120]; excerpt, "Osumi" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.
IOC-IHO/GEBCO SCUFN-XIV/3, "78 Satsuma Seamount," p. 68 [PDF 80 of 120]; excerpt, "Satsuma" was a feudal district name in the Edo period on the island of Kyushu. Retrieved 2012-4-7.