000			00598nam a2200181Ia 4500
008			160601s9999 xx 000 0 und d
100			_aUniversity of patrice lumumba friendship _916990
245			_aOutline of social development
245			_bpre capitalist society, primitive clan society slave - owning society feudal society
260			_aMoscow
260			_bProgress publishers
300			_a206p.; 22cm.
650			_aFeudal system _916991
650			_aPrimitive - communal system _916992
650			_aSlave system _916993
650			_aSocial development _9145
650			_aSociety _9132
999			_c5436 _d5436