550 - Earth sciences & geology 3,588
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510 - Mathematics 3,040
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570 - Life sciences; biology 2,730
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530 - Physics 2,177
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540 - Chemistry 2,120
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590 - Animals (Zoology) 1,669
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500 - Science 1,568
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520 - Astronomy 666
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580 - Plants (Botany) 421
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560 - Fossils & prehistoric life 162
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010 - Bibliographies 1
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