241. Union Centralization Among Advanced Industrial Societies: An Empirical Study of Organisation for Economic Co-operation and Development (OECD) Countries, 1950-2000 Bookmark Format Series - completed
243. United Nations Surveys of Crime Trends and Operations of Criminal Justice Systems (1970+) Bookmark Format Series - ongoing
244. United States Citizenship, Involvement, Democracy (CID) Survey, 2006 Bookmark Format Single study
258. Women's Movements and Women's Policy Offices in Western Postindustrial Democracies, 1970-2001 Bookmark Format Single study