Heisei 2-nen kokusei chōsa hōkoku. Dai 8-kan, Tokubetsu shūkei kekka, gaikokujin ni kansuru shūkei = 1990 population census of Japan. Volume 8, Results of special tabulation, tabulation on foreigners
Shōwa 60-nen kokusei chōsa hōkoku. Dai 3-kan, Dai 2-ji kihon shūkei kekka = 1985 population census of Japan. Volume 3, Results of the second basic complete tabulation
Jinkō kaikyūbetsu jinkō, setaisū : shichōson jinkō oyobi shichōson no jinkō shūchū chiku jinkō ni yoru = Population and households by population size of shi, machi, and mura and of DIDs