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024 _a87,945
037 _cTextual
040 _aARTS
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041 _2eng
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082 _aT15:44:Av73:N3, H1
100 _aUnderhill Orra E
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245 0 _aOrigins and development of elementary school science
260 _c1941
650 _aEDUCATION
942 _hT15:44:Av73:N3, H1
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999 _c211635
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