Jahr, Christoph: “We are pursuing sport because such work is not demeaning”: Forms and Functions of Sport in Internment Camps during the First World War, in: Feindt, Gregor / Hilbrenner, Anke / Dahlmann, Dittmar (eds.): Sport under unexpected circumstances: violence, discipline, and leisure in penal and internment camps (Veröffentlichungen des Instituts für Europäische Geschichte Mainz. Beiheft 119), Göttingen 2018 Vandenhoeck & Ruprecht, pp. 87-102.