Voigtmann, Mathias: The Baltikumer: Collective Violence and German Paramilitaries after 1918, in: Böhler, Jochen / Konrád, Ota / Kučera, Rudolf (eds.): In the shadow of the Great War: physical violence in East-Central Europe, 1917-1923, New York 2021 Berghahn Books, pp. 10-27.