Chiiki messhu tōkei chizu, jinkō bunpuzu (Shōwa 45-nen kokusei chōsa kekka). shutoken hen = Statistical maps on grid square basis, population distribution, 1970 population census of Japan
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