CLASSIFICATION SYSTEMS (LIBRARIANSHIP)
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BTINDEXING AND DOCUMENT CLASSIFICATION (LIBRARIANSHIP)
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UDC025.44/.47
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Descriptor GERKLASSIFIKATIONSSYSTEME (BIBLIOTHEKSWESEN)
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Descriptor ENGCLASSIFICATION SYSTEMS (LIBRARIANSHIP)
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Descriptor FRESYSTÈMES DE CLASSIFICATION (BIBLIOTHÉCONOMIE)
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Variant GERSYSTEME/KLASSIFIKATIONSSYSTEME (BIBLIOTHEKSWESEN)
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Variant ENGSYSTEMS/CLASSIFICATION SYSTEMS (LIBRARIANSHIP)
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Variant ENGSYSTEMS OF CLASSIFICATION (LIBRARIANSHIP)
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Variant ENGCLASSIFICATION/SYSTEMS OF CLASSIFICATION (LIBRARIANSHIP)
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Variant FRECLASSIFICATION/SYSTÈMES DE CLASSIFICATION (BIBLIOTHÉCONOMIE)
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Variant FREPLANS DE CLASSIFICATION (BIBLIOTHÉCONOMIE)
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Variant FRECLASSIFICATION/PLANS DE CLASSIFICATION (BIBLIOTHÉCONOMIE)
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NTALPHABETICAL CLASSIFICATION (LIBRARIANSHIP)
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NTDECIMAL CLASSIFICATION/VARIOUS SYSTEMS (LIBRARIANSHIP)
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NTFACETED CLASSIFICATION + ALPHANUMERIC CLASSIFICATION (LIBRARIANSHIP)
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NTNON-DECIMAL OR NON-NUMERIC CLASSIFICATION (LIBRARIANSHIP)