000 00260nam a2200121Ia 4500
100 _aJohn , Holt
020 _a0-440-53841-6
942 _cBK
245 _aHow children learn
260 _aDelacorte, New York
_c1923
082 _a370.15 Hol
300 _axii,303
999 _c18426
_d18426