000 00294nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a HEL/E
100 _aHELEN PARKHURST
245 0 _aEDUCATION ON THE DALTON PLAN
260 _bG BELL AND SONS AND LTD
_c1924
300 _a223
942 _cTB
999 _c30486
_d30486