570 - Biology 42,262
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510 - Mathematics 29,078
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540 - Chemistry and allied sciences 22,052
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530 - Physics 20,555
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590 - Animals 11,517
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580 - Plants 10,833
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550 - Earth sciences 10,155
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500 - Natural sciences and mathematics 4,782
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520 - Astronomy and allied sciences 2,889
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560 - Paleontology 533
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000 - Computer science, information, general works 6
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620 - Engineering and allied operations 4
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630 - Agriculture and related technologies 4
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140 - Specific philosophical schools 2
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050 - General serial publications 1
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330 - Economics 1
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370 - Education 1
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400 - Language 1
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610 - Medicine and health 1
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640 - Home and family management 1
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650 - Management and auxiliary services 1
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