Collection
- Durham GIS Features - Services / Emergency1
- ESRI Data and Maps 20101
- Historic Digital Bills and Resolutions: 1789-20131
- International Country Risk Guide Researchers Dataset (ICRG)1
- International Terrorism: Attributes of Terrorist Events (ITERATE )1
- ReferenceUSA Business Historical Data Files1
- U.S. Census Population Estimates - County Level1
- William J. Baumol papers1