00701cam a2200193u  45000010008000000030008000080050017000160080041000330100017000740400028000910500022001190820013001411000037001542450199001912600042003903000040004326500014004726500021004869630671BD-DhUL20170702162507.0860205s1910    enka          000 0 eng    ae  11001113   aDLCcCarPdDLCdBD-DhUL00aHQ750.A1bL8 VIII  a150bLOE1 aHeron, David. [from old catalog]04aThe influence of defective physique and unfavourable home environment on the intelligence of school children, being a statistical examination of the London county council pioneer school survey /  aLondon :bDulau and co., ltd.,c1910.  a2 p.l., 160 p. :bdiagrs. ;c31 cm. 0aEugenics. 0aSchool children.