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Melvil Decimal System: 547.13

Wording: Mathematics and Science > Chemistry > Organic > Cyanogen and its compounds > Not set

Dewmoji: πŸ”¬ > βš— > ⌬ > ? > ?

0
Information
173,995
ℹ️
1
Philosophy and Psychology
161,468
πŸ’­
2
Religion
420,463
πŸ™πŸ½
3
Social Sciences
879,721
πŸ‘«
4
Language
117,736
πŸ’¬
5
Mathematics and Science
273,525
πŸ”¬
6
Technology
638,475
πŸ’‘
7
Arts and Recreation
649,944
🎨
8
Literature
863,011
πŸ“š
9
Biography and History
549,142
πŸ—Ώ
50
General Science
23,033
πŸ”¬
51
Mathematics
51,281
βž—
52
Astronomy
15,187
🌌
53
Physics
26,290
🍎
54
Chemistry
15,615
βš—
55
Earth sciences & geology
24,672
🌎
56
Fossils & prehistoric life
6,035
πŸ’€
57
Life Sciences
36,732
🐠
58
Botany
15,395
🌿
59
Zoology
59,285
🐼
540
Chemistry
4,157
βš—
541
Physical; Theoretical
3,324
πŸ’­
542
Chemical laboratories
277
πŸ”¬
543
Analytic
1,478
🌈
544
Qualitative Analysis [No longer used]
160
545
Quantitative Analysis [No longer used]
114
546
Inorganic
1,255
⚨
547
Organic
3,513
⌬
548
Crystallography
475
πŸ’Ž
549
Mineralogy
862
βš’
547.0
561
547.1
Cyanogen and its compounds
334
547.2
Hydrocarbons; Fatty series
432
547.3
Alcohols; Phenols
110
547.4
Ethers: simple, compound; haloid
58
547.5
Aldehydes
187
547.6
Ketones; Quinones
67
547.7
Acids: acid halids, acid anhydrids, sulfo-acids
737
547.8
Nitroderivates: amines, compound ammoniums, amids, amic acids, azo-bodies, azoxy-bodies, hydrazo-bodies, diazo-bodies
109
547.9
Compounds with metals
3
547.10
3
547.11547.12
66
547.13
142
547.14547.15547.16
3
547.17
1
547.18547.19
1
547.130
2
547.131547.132547.133547.134
9
547.135
17
547.136
3
547.137
17
547.138
1
547.139
59

Works under MDS 547.13

1–50 of 121 ( next )titles | covers | shelf
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Wording

1922 Edition
Modern language
Emoji

"Far Friends"

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

None

What is MDS?

Melvil stands for "Melvil Decimal System," named after Melvil Dewey, the famous librarian. Melvil Dewey invented his Dewey Decimal System in 1876, and early versions of his system are in the public domain.

More recent editions of his system are in copyright, and the name "Dewey," "Dewey Decimal," "Dewey Decimal Classification" and "DDC" are registered trademarked by OCLC, who publish periodic revisions.

LibraryThing's MDS system is based on the classification work of libraries around the world, whose assignments are not copyrightable. MDS "scheduldes" (the words that describe the numbers) are user-added, and based on public domain editions of the system.

The Melvil Decimal System is NOT the Dewey Decimal System of today. Wordings, which are entered by members, can only come from public domain sources. The base system is the Free Decimal System, a public domain classification created by John Mark Ockerbloom. Where useful or necessary, wording comes from the 1922 edition of the Dewey Decimal System. Language and concepts may be changed to fit modern tastes, or to better describe books cataloged. Wordings may not come from in-copyright sources.

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