000			00380nam a2200145Ia 4500
008			200110s9999||||xx |||||||||||||| ||und||
080			_a303 _bLEF-H
100			_aLeff, Gordon
245		0	_aHistory And Social Theory
260			_aNew York: _bDoubleday & Company, Inc, _c1971
300			_a225 p. _fPB
500			_aGeneral
650			_aSocial Theory-- History
942			_cBK
999			_c513001 _d513001