www.wordscores.com.  Provides software and resources for computational text analysis using the “wordscores” method, as describes in Laver, Benoit and Garry (APSR 2003).

www.politics.tcd.ie/ppmd/. Data from expert surveys measuring party policy positions in a wide range of dimensions in 47 countries. For full details, see: Kenneth Benoit and Michael Laver. 2006. Party Policy in Modern Democracies. London: Routledge.