The principal source for data regarding economic growth and GDP calculated both in volume and purchasing power. Within the field of international relations, the two central trade data collection efforts have been made by Katherine Barbieri, on the one hand, and John Oneal and Bruce Russett on the other. Barbieri's data are available from the Peace Science Society data resources page , and Oneal and Russett's data can be downloaded by clicking here . Access to certain components of these data are limited to EU member states. The central survey instrument for the study of American public opinion.
Users can dowload complete datasets or specific components.
The institute also provides links to extensive data on the State of North Carolina. If a particular dataset is not available at Duke, users can request that Duke obtain a copy by contacting Bob Jackson in the Sociology Department. For instructions regarding access to datasets once they are located on the Duke optical drive, users should also contact Bob Jackson . Pages - A number of political scientists maintain extensive web resource pages. Below I list a few of the pages that I have found most useful.