found: Ishikawa, Japan, 1951-
found: Kyū Niikawa kenshikō Umiuchi Hatasu kankei monjo, 1999:t.p. (in title: Niikawa-ken) p. 2 (est. 1871; absorbed by Ishikawa-ken 1876)
found: Kadokawa Nihon chimei d.j. (Ishikawa-ken), 1981:p. 666, etc. (under Niikawa-ken: Toyama-ken, est. July 1871; name changed to Niikawa-ken, Nov. 1871; absorbed by Ishikawa-ken in 1876)
found: GeoNames, algorithmically matched, 2009(adm1; 36°45ʹ00ʺN 136°45ʹ00ʺE)
found: ClassWeb, July 10, 2020(Ishikawa; covers the former Kaga and Noto provinces; DS894.59.I83-.I8395)