Vasiljević, J. Reflecting on the Principles and Problems of Solidarity: Arto Laitinen and Anne Birgitta Pessi (eds.), Solidarity: Theory and Practice, Lexington Books, Lanham, 2015. / Keith Banting and Will Kymlicka (eds.), The Strains of Commitment: The Political Sources of Solidarity in Diverse Societies, Oxford University Press, Oxford, 2017. FiD 2017, 28, 1175-1192.