Milani, Tommaso: Shockwaves: Hendrik de Man and the Legacy of the Great War, in: Milani, Tommaso (ed.): Hendrik de Man and Social Democracy: The Idea of Planning in Western Europe, 1914–1940 (Palgrave Studies in the History of Social Movements), Cham 2020 Palgrave Macmillan, pp. 43-67.