000 00864cam a22002411 4500
001 e 37000184
003 DLC
005 20260227111226.0
008 820630s1937 nyua s000 0 eng c
010 _ae 37000184
035 _a(OCoLC)8565090
040 _aU.S. Office of Education
_cKWiU
_dDLC
042 _apremarc
050 0 0 _aLB3061
_b.C648
100 1 _aCornell, Ethel Letitia,
_d1892-
245 1 4 _aThe variability of children of different ages and its relation to school classification and grouping,
_cby Ethel L. Cornell ...
260 _aAlbany,
_bThe University of the state of New York,
_c1937.
300 _a98 p.
_bdiagrs., tables.
_c23 cm.
490 0 _aUniversity of the state of New York bulletin,
_vno. 1101
490 0 _aEducational research studies,
_v1937, no. 1
650 0 _aIndividuality.
650 0 _aAbility grouping in education.
999 _c21535
_d21535