Text ( visual ) : unmediated Demography / Population Association of America. -- Vol. 1 (1964)-. -- Chicago : Population Association of America , 1964-. -- v. : ill. ; 25 cm. -- Current frequency: Quarterly ; Summaries in Spanish ; Indexes: Vol. 1-5, 1964-68. 1 v.; Vols. 1-10, 1964-73, with v. 10. -- ISSN 00703370 ; (AA00154644) ; https://ci.nii.ac.jp/ncid/AA00154644 Other Title(s): Demography. -- Author Heading(s): Population Association of America