Social Democracy in Europe - Delwit, Pascal; Ágh, Attila; Bell, David S.; Callaghan, John; Colomé, Gabriel; Gueorguieva, Petia; Ladrech, Robert; Marlière, Philippe; Moschonas, Gerassimo; Seiler, Daniel-Louis; Villalba, Bruno; Wiatr, Jerzy J. (Science politique)