Ute Frevert, ‘Bourgeois Honour: Middle — class Duellists in Germany from the Late Eighteenth to the Early Twentieth Century’ в David Blackbourn, Richard J. Evans (eds.), The German Bourgeoisie: Essays on the Social History of the German Middle Class from the Late Eighteenth to the Early Twentieth Century (London, 1991), 255-92; eadem Ehrenmänner: Das Duell in der bürgerlichen Gesellschaft (Munich, 1991).