Shōwa gojūnen kokusei chōsa zenkoku to-dō-fu-ken-shi-ku-chō-sonbetsu jinkō oyobi setaisū : Kakuteisū : Sōwa 50-nen 10 gatsu 1-nichi : 1975 population census of Japan : final count of population and households, October 1, 1975
Shōwa 40-nen kokusei chōsa hōkoku. Dai 2-kan, 1% chūshutsu shūkei kekka = 1965 population census of Japan. Volume 2, one percent sample tabulation results