Sōrifu Tōkeikyoku = 1975 population census of Japan; preliminary count of population, October 1, 1975 / Bureau of Statistics, Office of the Prime Minister
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