00667cz 2200181n 4500 sh85099982 DLC 19861014080010.5 860211|| anannbab| |b ana ||| sh 85099982 DLC DLC DLC HX550.R48 Permanent revolution theory g Communism g Revolutions g Revolutions and socialism g Socialism Here are entered works on the theory by which proletarian socialist revolution begins in a relatively underdeveloped country and spreads to more developed countries, proceeding permanently until socialism is achieved throughout the world.