both are by the croatian marxist gajo petrović, one on marx’s theory of alienation and another on philosophy and socialism, which not only combat the philistine attitudes of so-called marxists towards large areas of marx’s thinking but also outline his attempts to understand human thought in its totality.

petrović was an ardent advocate of workers’ self-management, and was expelled from the league of communists of yugoslavia on account of his support for the 1968 workers’ and students’ protests against the regime. he then became a leading figure in the praxis school.