http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The Cross-National Time-Series (CNTS) Data Archive is a longitudinal national data series and provides ranges of annual data from 1815 to the present for all countries with many variables of use to the social scientist researcher. General categories include demographic, social, political, and economic topics.
Data contains seven files: Contents.doc, the entire Archive (CNTSDATA.xls), User's Manual.doc, Codebook.xls, Bibliography.xls, the list of countries (Independent States Since 1815.xls) and License Agreement.doc.
Mode of access: Compressed (.zip format) folder of files distributed via e-mail in an Excel format; system requirements: Microsoft Excel; Microsoft Word.
Statistical data in .xls format and accompanying documentation in .doc or .xls format.