Shōwa 23-nen jigyōsho chingin chōsa kekka hōkoku = Report of the 1948 census of wages in private, governmental and local governmental establishment employing 30 or more in 6 major groups of industries
Shōwa 35-nen kokusei chōsa, zenkoku to-dō-fu-ken-gun-shi-ku-chō- sonbetsu setai oyobi jinkō gaisū Shōwa 35-nen 10-gatsu 1-nichi genzai (tsuketari kekka no gaisetsu) = 1960 population census of Japan ; preliminary count of households and population, October 1, 1960