000 - Computer science, knowledge & systems 449
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070 - News media, journalism & publishing 357
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080 - Quotations 260
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020 - Library & information sciences 119
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030 - Encyclopedias & books of facts 106
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060 - Associations, organizations & museums 65
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050 - Magazines, journals & serials 51
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010 - Bibliographies 33
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090 - Manuscripts & rare books 27
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040 - [Unassigned] 21
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