000			00366nam a2200145Ia 4500
008			170207s9999 xx 000 0 und d
082			_a301 WEA-M
100			_aWeaver, Henry Grady
245			_aMainspriing of human progress
260			_bFoundation For Economic Education, New York
260			_c1953
300			_a279
650			_aSociology
942			_cBOOKS
999			_c14260 _d14260