00438nam a2200145Ia 4500008004100000010001200041040001700053082002500070100002100095245004300116250000800159260004200167300001600209650006700225190328s9999||||xx |||||||||||||| ||und||  a54-8429  aNITILcNITIL  221sta370.193bB878E  aBrown, Francis J 0aEducational sociologycFrancis J Brown  a2nd  aEnglewood CliffsbPrentice-Hallc1954  axvii, 677p.  aEducational sociology; School; Public welfare; Social planning