Socio-history of European police systems - socio-history of security policies - social construction of risk and dangerousness - contemporary police issues from a historical, sociological or criminological perspective (public order, international cooperation, tasks and styles of policing, police and crises, police reforms) - mastery of police documentation (archives) - history of wars, purges in Europe - political and institutional history - crossed and connected histories - digital issues and practices in history - history of Belgium - history of France - history of the Netherlands - contemporary history of Europe - methodologies of history