Richard Bessel, ‘Why did the Weimar Republic Collapse?’ in Kershaw (ed.), Weimar; 120-52, с 136; Bernd Weisbrod, ‘The Crisis of German Unemployment Insurance in 1928/29 and its Political Repercussions’ в Wolfgang J. Mommsen (ed.), The Emergence of the Welfare State in Britain and Germany, 1850–1950 (London, 1981), 188–204; Richard J. Evans, ‘Introduction: The Experience of Mass Unemployment in the Weimar Republic’ in Richard J. Evans and Dick Geary (eds.), The German Unemployed: Experiences and Consequences of Mass Unemployment from the Weimar Republic to the Third Reich (London, 1987), 1-22, at 5–6; Merith Niehuss, ‘From Welfare Provision to Social Insurance: The Unemployed in Augsburg 1918–27’ в Evans and Geary (eds.), The German Unemployed, 44–72.