"Wohlfahrtsstaat." . . "Wohlfahrtsstaat" . "Économie du bien-être." . . "Theorie." . . "Theorie" . . . . . "The social problem"@en . "The social problem" . . . . . . "Social problem life and work" . . "The Social problem, life and work" . . . . . . . . "The Social problem life and work"@en . . . . . . . "The Social Problem: life and work"@en . . . . . . . "The social problem; life and work"@en . "The social problem; life and work" . . . . . . . . . . . . "Art of social progress"@en . "Art of social progress" . . . . . . . . "The social problem life and work"@en . . "The social problem life and work" . . . . . . . . "Science of social progress"@en . "Science of social progress" . . . . . . . . . "The Social problem"@en . . . . . . . . "The social problem : life and work"@en . "The social problem : life and work" . . . . . "Politische Ökonomie." . . "Politische Ökonomie" . "Economic history." . . "Soziologie." . . "Soziologie" . "Progress." . . "Problèmes sociaux." . . "Great Britain" . . "Social problems." . . "Gesellschaftskritik." . . . . "Economic conditions." . . "1800 - 1899" . . "Soziale Frage." . . "Soziale Frage" . "Sozialreform." . . "Sozialreform" .