VALÉRIE AUBOURG is Lecturer in Contemporary History at the University of Cergy-Pontoise, France ANN-CHRISTINA L. KNUDSEN is Assistant Professor of European Studies at the University of Aarhus, Denmark JAN-HENRIK MEYER is a Marie Curie Postdoctoral Fellow at the University of Portsmouth, UK SIGFRIDO M. RAMÍREZ PÉREZ is Postdoctoral Fellow of the Spanish Science and Technology Foundation (FECYT) in the Institute of Economic History at the University Bocconi in Milan, Italy OLIVER RATHKOLB is Professor of Contemporary History at the University of Vienna, Austria ANTOINE VAUCHEZ is Senior Researcher at the Centre National de la Recherche Scientifique, France