Jesper Jørgensen is an Archivist and Researcher at the Workers' Museum and the Labour Movement's Library and Archives in Denmark. Previously, he studied History and Anthropology at Aarhus University, Denmark. He has recently published on topics like Danish left-wing activism, clandestine communist activities in Scandinavia and the impact of the October Revolution in Denmark.

Flemming Mikkelsen holds a Doctorate in Political Science and a MA in History from the University of Copenhagen. He is an independent researcher working in the fields of social movements, labour activism, ethnic relations and historical sociology, and has published several books and articles on these topics, including Popular Struggle and Democracy in Scandinavia, 1700-Present (Palgrave, 2018). Flemming Mikkelsen has studied and taught at the University of Copenhagen, University of Michigan, Aarhus University and Aalborg University.

Chapter 1: Trade Union Activism in the Nordic Countries: Introduction.- Chapter 2: Labor Market Struggles and Labor Market Relations in the Nordic Countries, 1848-2020: Trends and Fluctuations .- PART I: National And Local Trade Union Activism, 1900-1939.- Chapter 3: The Norwegian Experience: Trade Union Opposition and Local Activism, 1900-1939.- Chapter 4: Syndicalism and Strikes in Denmark, 1917-1920: The Syndicalist Challenge to Social Democratic Trade Union Leadership.- Chapter 5: Trade Unions, the Social Democratic Party and Labor Market Conflicts in Malmö, 1890-1910.- Chapter 6: Anti-Strikebreaker Protests and Collective Violence in Sweden, 1918-1939.- PART II: National And Local Trade Union Activism, 1940-2020 .- Chapter 7: Social Movement Unionism in Denmark, 1940-1985.- Chapter 8: Mass Labor Protest and Trade Union Activism in Early Post War Copenhagen.- Chapter 9: Reluctant Vanguard? The Strikes of Finnish Building Workers' Unions, 1949-1973.- Chapter 10: The Peak Strike Period in Finland, 1970-1980: Wildcat Strikes and Income Politics.- Chapter 11: From Street Fighting Years to Seizing the Agenda. Labor Militancy Challenging the Establishment in Norway, 1976-2010.- Chapter 12: Reaching out. Oslo Construction Workers and Migrant Workers, 2004-2014.- Chapter 13: Trade Unions' Protest Cycles in Sweden, 1980-2020.- Part III: Comparative Perspective.- Chapter 14: Lockouts in Scandinavia, c. 1900-1938.- Chapter 15: Wildcat Strikes Between 1960 and 1973: A German-Danish Comparison .- Chapter 16: Developing Public Sector Trade Unionism in Scandinavia. From Noble Civil Servants to Militant Wage Earners .- Chapter 17: Closing the Gender Pay Gap: Global Concepts, Local Negotiations in Iceland and Sweden, 1900-1985.