Kjeldstadli, Knut. 2020. “Ad Knotter, Transformations of Trade Unionism. Comparative and Transnational Perspectives on Workers Organizing in Europe and the United States, Eighteenth to Twenty-First Centuries”. TSEG - The Low Countries Journal of Social and Economic History 16 (3-4): 121-24. https://doi.org/10.18352/tseg.1120.