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Melvil Decimal System: 546.41

Wording: Mathematics and Science > Chemistry > Inorganic > Alkalin earths > Not set

Dewmoji: 🔬 > > > ? > ?

0
Information
183,829
ℹ️
1
Philosophy and Psychology
172,351
💭
2
Religion
443,755
🙏🏽
3
Social Sciences
952,115
👫
4
Language
123,707
💬
5
Mathematics and Science
297,296
🔬
6
Technology
692,375
💡
7
Arts and Recreation
669,452
🎨
8
Literature
891,726
📚
9
Biography and History
567,666
🗿
50
General Science
23,864
🔬
51
Mathematics
56,683
52
Astronomy
16,316
🌌
53
Physics
30,054
🍎
54
Chemistry
19,002
55
Earth sciences & geology
26,281
🌎
56
Fossils & prehistoric life
6,175
💀
57
Life Sciences
40,856
🐠
58
Botany
16,495
🌿
59
Zoology
61,570
🐼
540
Chemistry
4,495
541
Physical; Theoretical
4,143
💭
542
Chemical laboratories
305
🔬
543
Analytic
1,836
🌈
544
Qualitative Analysis [No longer used]
178
545
Quantitative Analysis [No longer used]
134
546
Inorganic
1,691
547
Organic
4,662
548
Crystallography
633
💎
549
Mineralogy
925
546.0
98
546.1
Nonmetallic elements
16
546.2
Oxygen group
147
546.3
Metals
159
546.4
Alkalin earths
132
546.5
Lead and silver group
43
546.6
Cerium; Rare earths
341
546.7
Iron group
255
546.8
Periodic table
48
⚗️
546.9
Platinum group
546.40
5
546.41
59
546.42
12
546.43
17
546.44
Magnesium group
13
546.45546.46546.47546.48546.49
546.410546.411
5
546.412546.413546.414546.415
1
546.416
1
546.417546.418
1
546.419

Works under MDS 546.41

1–50 of 55 ( 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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