http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Volumes 3-24 are reprints and volumes 25-65 are original.
Issues for Jan. 1937-winter 1985 also available to subscribers of JSTOR via the World Wide Web; issues for spring 1986- are also freely available from the journal's web site at Princeton University.
Vols. for 1937-48 issued by the School of Public Affairs, Princeton University.
Published for the Population Association of America.
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