00293nam a2200109 a 4500008004100000050001400041100002300055245002900078246003700107260003000144350000900174120416s1978    ||||||||||||||||| ||    u  aHX 56 Kol  aKolakowski, Leszek10aMain currents of Marxism  aits rise, growth and dissolution  aOxfordbClarendon Pc1978  a0.00