24 books • 8 series
Das Zeitalter der Ungewissheiten (Schriftenreihe des Europaischen Zentrums fur Foederalismus-Forschung, #42)
The Case for Multinational Federalism (Routledge Studies in Federalism and Decentralization)
The Conditions of Diversity in Multinational Democracies (Institute for Research on Public Policy)