1. Berlin I (2002) Liberty. Oxford University Press, Oxford
2. Cohen GA (1978) Karl Marx’s theory of history: a defence. Princeton University Press, Princeton
3. Cohen J (1982) Review of Karl Marx’s theory of history. J Philos 44:253–273
4. Cohen GA (1988) History, labour, and freedom. Oxford University Press, Oxford
5. Cohen GA (1989a) On the currency of egalitarian justice. Ethics 99:906–944