MDS520.9

Wording: Natural sciences & mathematicsAstronomyAstronomy and allied sciencesBiography And History

Dewmoji: πŸ”¬πŸ”­πŸ”­πŸ”™

0
Computer science, information & general works
252,013
ℹ️
1
Philosophy and Psychology
270,129
🧠
2
Religion
681,242
πŸ™
3
Social sciences
1,328,382
πŸ‘«
4
Language
209,883
πŸ’¬
5
Natural sciences & mathematics
431,918
πŸ”¬
6
Technology
940,635
πŸ’‘
7
Arts & recreation
1,031,850
🎨
8
Literature & rhetoric
1,436,736
πŸ“š
9
History & geography
837,760
πŸ—ΊοΈ
50
Science
35,266
🥼
51
Mathematics
82,055
βž—
52
Astronomy
25,356
πŸ”­
53
Physics
44,008
🍎
54
Chemistry
28,260
βš—οΈ
55
Earth sciences; geology
36,663
🌎
56
Fossils, dinosaurs, prehistoric life
11,038
πŸ’€
57
Biology
55,751
🧬
58
Plants (Botany)
26,824
🌿
59
Animals (Zoology)
86,697
🐼
520
Astronomy and allied sciences
6,299
πŸ”­
521
Celestial mechanics
575
βš™
522
Techniques, procedures, apparatus, equipment, materials
1,635
πŸŒƒ
523
Specific celestial bodies and phenomena
12,101
🌌
524
[Formerly: Maps, Observations, and Tables]
227
525
Earth (Astronomical geography)
627
🌍
526
Mathematical geography
1,986
🌐
527
Celestial navigation
208
πŸ—Ί
528
Ephemerides
191
πŸ“’
529
Chronology
1,507
⏳
520.0
Astronomy
132
520.1
Theory And Instruction
121
520.2
Miscellany
114
520.3
Dictionaries And Encyclopedias
124
520.4
3
520.5
Periodicals
267
520.6
Organizations
13
520.7
Education And Research
135
520.8
Collections
62
520.9
Biography And History
1,188
πŸ”™
520.90
22
520.91
Other Geographic Classifications
26
520.92
Astronomer Biographies
597
🌌
520.93
Ancient World
108
520.94
Europe
49
520.95
Asia
33
520.96
Africa
3
520.97
North America
25
520.98
South America
10
520.99
Pacific
18

Selected Works under MDS 520.9 (1,188)

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"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

None

Wording

1922 Edition
Do NOT copy from the copyrighted sources. 1922 edition here, in absurd phonetic English. Use standard spelling.
Modern Language
Modern wording should be based on the Free Decimal System, on the 1922 edition of Dewey, or on the items cataloged under that MDS number. Do not take your wording from an in-copyright source.
Emoji
A single emoji for this DDC Class. The full emoji will be composed of the emojis from the top level to this one.