000			00330nam a2200121Ia 4500
001			80561
008			170722s9999 xx 000 0 und d
100			_aHavighurst, Robert J.
245			_aLeaders in American education /
260			_c1971.
490			_aYearbook of the national society for the study of education
942			_cGEN
999			_c87374 _d87374