检索结果 - Library of Congress. Policy and Standards Division

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  1. 1

    Library of Congress subject headings

    出版 2009
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  2. 2

    Library of Congress subject headings

    出版 2009
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  3. 3

    Library of Congress subject headings. free-floating subdivisions, genre/form headings, children's subject headings

    出版 2009
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  4. 4

    Library of Congress classification. Q. Science

    出版 2009
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  5. 5

    Library of Congress classification. T. Technology

    出版 2009
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  6. 6

    Library of Congress classification. Z. Bibliography. Library science. Information resources

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