| North Carolina Vital Statistics
| Odum Institute | Sep 15, 2008 | |
| The DataWeb
| U.S. Census Bureau | May 22, 2008 | |
| NARA
| National Archives and Records Administration | May 19, 2008 | |
| IQSS
| The Institute for Quantitative Social Science, Harvard University | May 18, 2008 | |
| Roper
| Roper Center, University of Connecticut | May 16, 2008 | |
| ICPSR
| Inter-University Consortium for Political and Social Research, University of Michigan | Apr 25, 2008 | |
| Odum Archive
| Odum Institute for Research in Social Science, University of North Carolina | Aug 28, 2007 | |
