| 000 | 00863cam a22002411 4500 | ||
|---|---|---|---|
| 001 | e 13000939 | ||
| 003 | DLC | ||
| 005 | 20260227111159.0 | ||
| 008 | 850920s1913 nyua 000 0 eng c | ||
| 010 | _ae 13000939 | ||
| 035 | _a(OCoLC)12580557 | ||
| 040 |
_aLibrary, U.S. Bur. of Education _cKyU _dKyU _dDLC |
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| 042 | _apremarc | ||
| 050 | 0 | 0 |
_aLB3063 _b.A9 |
| 100 | 1 |
_aAyres, Leonard Porter, _d1879-1946. |
|
| 245 | 1 | 4 |
_aThe effect of promotion rates on school efficiency, _cby Leonard P. Ayres ... |
| 260 |
_aNew York City, _bDivision of Education, Russell Sage Foundation, _c1913. |
||
| 300 |
_a13 p. _bdiagrs. _c23 cm. |
||
| 490 | 0 |
_a[Russell Sage Foundation, New York. Dept. of Child Hygiene. Pamphlet] _vE130 |
|
| 500 | _aReprinted from the American school board journal, May, 1913. | ||
| 650 | 0 | _aPromotion (School) | |
| 650 | 0 | _aSchool attendance. | |
| 999 |
_c19504 _d19504 |
||