Shōwa 55-nen kokusei chōsa zenkoku todōfuken shikuchōson betsu jinkō : yōkeihyō ni yoru jinkō Shōwa 55-nen 10-gatsu 1-nichi genzai = 1980 population census of Japan : preliminary counts of the population on the basis of summary sheets October 1, 1980
Shōwa gojūgonen kokusei chōsa chōsaku kankei shiryō riyō no tebiki : Hyōhon chōsa kiso shiryō hen = Supplement to the users' guide of census data and materials related to enumeration districts