1. Archer R (2007) Labour politics in the new world: Werner Sombart and the United States. J Ind Relat 49(4):459–482
2. Archer R (2010) Why is there no labor party in the United States? Princeton University Press, Princeton, NJ
3. Arndt C (2014) The electoral consequences of third way welfare state reforms: social democracy's transformation and its political costs. Amsterdam University Press, Amsterdam
4. Bacon P (2016) Huge split between older and younger blacks in the democratic primary. NBCNewscom . https://www.nbcnews.com/news/nbcblk/huge-split-between-older-younger-blacks-democratic-primary-n580996 . Accessed 28 May 2016
5. Bartels LM (2008) Unequal democracy: the political economy of the new gilded age. Russell Sage Foundation, New York