Waga kuni no jinkō shūchū chiku : Shōwa 35-nen kokusei chōsa ni yoru jinkō shūchū chiku no jinkō, menseki, oyobi chizu = Densely inhabited district : 1960 population census : its population, area, and map
Chiiki messhu tōkei chizu, jinkō bunpuzu ; (Shōwa 45-nen kokusei chōsa kekka) Statistical maps on grid square basis, population distributio: 1970 population census of Japan