| LC control no. | sh 85093206
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| LC classification | QA141.15
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| Topical heading | Number concept
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| See also | Apperception
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Psychology
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| Scope note | Here are entered works on the psychology of numeration. Works on counting, including counting books, are entered under Counting. Works on the theory and systems of numbering are entered under Numeration.
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| Subject example tracing | Notes under Counting; Numeration
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