Shōwa 60-nen kokusei chōsa hōkoku. Bekkan. Waga kuni no jinkō shūchū chiku = 1985 population census of Japan. Special volume. Densely inhabited districts
Heisei 2-nen kokusei chōsa hōkoku. Bekkan. Waga kuni ni jinkō shūchū chiku = 1990 population census of Japan special volume. Densely inhabited districts
Heisei 2-nen kokusei chōsa ni kansuru chiiki messhu tōkei chizu. Kaikyū messhu mappu : tsuketari, Heisei 2-nen kokusei chōsa ni kansuru chiiki messhu tōkei no gaiyō = Statistical maps on grid square basis : compiled from the results of the 1990 population census