06a 1870-1924 1885-1971 1909-1949 20thcentury 3 6 biography capitalism classconsciousness communism communisme communismhistory communistinternational generals györgy history hungary hx40d79 lenin lukács lukács marxist petri philosophy pol157 pol157luc pol158len pol162du pol297 proletariat pálffy-oesterreicher reification socialism socialisme vladimirilʹich