Sōrifu Tōkeikyoku = 1975 population census of Japan; preliminary count of population, October 1, 1975 / Bureau of Statistics, Office of the Prime Minister
Shōwa 45-nen kokusei chōsa hōkoku. Bekkan [2], Kokusei tōkeiku kyōkaizu = 1970 population census of Japan. Special volume [2], Atlas of census tract boundaries