000 00294nam a2200109Ia 4500
008 220501s1969 xx 000 0 eng d
082 _a268
100 _aRobert J. Harighurst
245 0 _aDevelopmental tasks and education
260 _aNew York
_bDavic Mckay Company, Inc
_c1969
942 _2ddc
_cBK
999 _c2557
_d2557