000			00408nam a22001577a 4500
005			20151215125432.0
008			091208t xxu||||| |||| 00| 0 eng d
082			_a303.4 _bHAG
100			_aHagen, Evertt E. _919088
245			_aOn the theroy of social change
300			_a158p.
653			_aHistory
653			_asocial change
942			_cBK
260			_aBombay _bVakils, Feffer and Simons _c1962
999			_c104008 _d104008