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NDC10 440.2
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Nippon Decimal Classification 10th ed.
0 General works
·
1 Philosophy
·
2 General history
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3 Social sciences
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4 Natural science
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5 Technology. Engineering
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6 Industry and Commerce
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7 The arts. Fine arts
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8 Language
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9 Literature
40 Natural science
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41 Mathematics
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42 Physics
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43 Chemistry
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44 Astronomy. Space science
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45 Earth sciences
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46 Biology
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47 Botany
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48 Zoology
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49 Medical sciences
440 Astronomy. Space science
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441 Theoretical astronomy
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442 Practical astronomy
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443 Fixed stars
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444 Sun
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445 Planets. Satellites
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446 Moon
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447 Comets. Meteors
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448 Earth. Astronomical geography
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449 Horology. Calendars
440.2
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440.3
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440.4
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440.7 研究法．指導法．天文学教育
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440.8 叢書．全集．選集
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440.9 未確認飛行物体[UFO]
Subcategories
This category has only the following subcategory.
東
東洋天文学史研究
(4 F)
