- Expert Survey of Norwegian Party Positions
Data collection described in 2000 Ray, Leonard and Hanne Marthe Narud. "Mapping the Norwegian Political Space: Results from an Expert Survey," Party Politics. 6(2):225-239.
- Expert Survey of Party Positions on European Integration
Data collection described in 1999 Ray, Leonard. "Measuring Party Positions on
European Integration: Results from an Expert Survey." The European
Journal of Political Research 36: 283-306.
- Replication syntax and data for "Capacity, Attitudes and Case Attributes: The Differential Success of the States Before the United States Courts of Appeals" Rorie Spill Solberg and Leonard Ray State Politics and Policy Quarterly 2005.