Google Docs spreadsheet with additional listings from POD Network members
http://www.cte.ku.edu/cteInfo/resources/websites.shtm: List compiled by Kentucky University
http://www.apsanet.org/content_3847.cfm: Short annotated list developed by the American Political Science Association
List of Centers requesting listing through POD listserv (11/08)
hyperlinks to Center websites and contact info for Directors