Individual and collective action How do people perceive their position and how do they try to change their situation individually and collectively? Between Solidarity and fragmentation. An analysis of the consequences of and reactions to changing labour relations by the shop-floor and trade union movement in the Netherlands, 1970-2020. Solidarity and Fragmentation Against the tide: the social mobility of Jewish Dutch (1880-1940) Individual life strategies employed by Dutch Jews and the relation between these strategies and outcomes in integration, social mobility, and (de) segregation. Against the tide Dutch Diamond Workers Union (ANDB) Diamondworkers