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| 005 | 20250508152639.0 | ||
| 008 | 008 250505s9999 xx 000 0 eng d | ||
| 037 | _aTextual | ||
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_aFEDL _beng _cFEDL |
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_aeng _2eng |
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_a372.7, MOR _qFEDL |
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| 100 | _aMorton Robert Lee | ||
| 245 | 0 | _aHelping children learn arithmetic | |
| 260 |
_aNew Jersey, USA _bSilver Burdett Company _c1960 |
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| 300 | _avi,116p | ||
| 942 |
_cTEXL _h372.7, MOR |
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_c1337791 _d1337791 |
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