000 00292nam a22001217a 4500
082 _a155.4 HAR
100 _aHARTLEY, R.E.
245 _aUnderstanding childrens play /
_cRuth E.Hartley
260 _aNew York
_bColumbia
_cc1952
300 _aXV,372pg;
500 _aIncludes Index
942 _cBK01
999 _c4401
_d4401