Membership Documents
  • Bylaws
  • Charter
  • Join the DDI Alliance
  • Membership Form (PDF)
 Alliance Structure
  • Member Institutions
  • Expert Committee
  • Steering Committee
  • Committee Meeting Minutes
 Publications
  • General Brochure
  • Newsletter
  • Reports
    • Annual Report 2006 (PDF)
    • Annual Report 2005 (PDF)
    • Annual Report 2004 (PDF)
    • Strategic Plan, 2007 and Beyond (PDF)

 Papers, Presentations, and Reports
 Projects Using the DDI
 DDI Users' Listserv
 Getting Started with the DDI
 Frequently Asked Questions (FAQ)
 DDI Logo

 Document Type Definition (DTD)
 XML Schema (XSD)
 DDI Lite (Recommended Elements)
 Version Control for DTD
 Information on DTD Elements (DDI Tag Library)

 Mapping to Other Metadata Standards
  • Dublin Core
  • Recommended Fields (CESSDA) (PDF)
 Related Tools
  • Software/Tools
  • XML/XSLT

Marked-up Codebooks

The sample codebooks below, marked up with SoftQuad's XMetal software using the Version 1 of the DDI DTD, are provided for purposes of demonstration.They are displayed via ICPSR's generic codebook stylesheet. If you have trouble viewing these files, please contact web-support@icpsr.umich.edu.

The ASCII text and PDF versions that formed the basis of the XML documents are provided here as well.

Note: Some of the pages take some time to render through the 'view' link as the pages are *very* large.

• Euro-Barometer 10: National Priorities and the Institutions of Europe, October-November 1978 (ICPSR 7728)

  • XML Codebook: view (slow), download

  • Original ASCII Text Codebook

  • Markup Notes

• Current Population Survey, 1999: Annual Demographic File (ICPSR 2825)

  • XML Codebook: view (slow), download

  • PDF Codebook

  • ASCII Data Dictionary

  • Markup Notes

• CBS News Monthly Poll #2, August 1992 (ICPSR 6084)

  • XML Codebook: view, download

  • Original ASCII Text Codebook

• United States Congressional Survey, 1975 (ICPSR 7377)

  • XML Codebook: view, download

  • Original ASCII Text Codebook

• CBS News/New York Times Monthly Poll #2, March 1995 (ICPSR 6551)

  • XML Codebook: view, download

  • Original ASCII Text Codebook

  • Original ASCII Text Appendix

• American Public Opinion and U.S. Foreign Policy, 1994 (ICPSR 6561)

  • XML Codebook: view, download

  • Original ASCII Text Codebook

• Polity III: Regime Type and Political Authority, 1800-1994 (ICPSR 6695)

  • XML Codebook: view, download

  • Original ASCII Text Codebook

• Correlates of War Project: International and Civil War Data, 1816-1992 (ICPSR 9905)

  • XML Codebook: view, download

  • Original ASCII Text Codebook

• Roster of United States Congressional Officeholders and Biographical Characteristics of Members of the United States Congress, 1789-1996: Merged Data (ICPSR 7803)

  • XML Codebook: view (slow),download

  • Original ASCII Text Codebook

• World Values Surveys, 1981-1984, 1990-1993, and 1995-1997 (ICPSR 2790)

  • XML Codebook: view (slow), download

  • PDF Codebook (PDF 240K)

• Direction of Trade, 1948-1978 (ICPSR 7628)

  • XML Codebook: view, download

  • Original ASCII Text Codebook

• United States Congressional Roll Call Voting Records, 1789-1994: Part 204, 102nd Senate (ICPSR 0004)

  • XML Codebook: view, download

  • Original ASCII Text Codebook

PDF stands for Portable Document Format. Additional information on PDF and the free viewing software can be found at Adobe's Web site.