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Melvil Decimal System: 620.004202855369

Wording: Technology > Engineering > Engineering > Not set > General Engineering > Special Topics > Design > Not set > Miscellany > Not set > Software Applications > Not set > Not set > Not set > Not set

Dewmoji: 💡 > 🔩 > 🔩 > ? > ? > ? > ? > ? > ? > ? > ? > ? > ? > ? > ?

0
Information
174,374
ℹ️
1
Philosophy and Psychology
161,779
💭
2
Religion
423,184
🙏🏽
3
Social Sciences
881,318
👫
4
Language
118,009
💬
5
Mathematics and Science
273,977
🔬
6
Technology
639,279
💡
7
Arts and Recreation
651,427
🎨
8
Literature
865,204
📚
9
Biography and History
550,807
🗿
60
General Technology
6,246
💡
61
Medicine
207,687
💉
62
Engineering
102,547
🔩
63
Agriculture & Animal Husbandry
61,846
🌱
64
Home Economics
122,983
🏠
65
Business
99,253
👔
66
Chemical Technology
11,499
🚀
67
Manufacturing
4,874
📦
68
Handicraft and Occupations
14,123
🔨
69
Building
8,221
👷
620
Engineering
12,102
🔩
621
Mechanical Engineering and Machinery
31,202
🏭
622
Mining Engineering and Mines and Mineral Resources
2,344
🕳
623
Military Engineering and Marine Engineering
10,856
⚓
624
Civil Engineering
5,408
🌉
625
Road and Railroad
3,419
🛤
626
--
29
🤷
627
Hydraulic Engineering
1,059
🌊
628
Sanitary; Municipal
4,548
🚽
629
Other Branches
31,580
🌿
620.0
2,963
620.1
Materials Science
4,959
620.2
Acoustics and noise
201
620.3
Vibrations
122
620.4
253
620.5
Nanotechnology
542
620.6
7
620.7
--
79
620.8
Human Factors
490
👨
620.9
45
620.00
General Engineering
2,928
620.01620.02
9
620.03
3
620.04
15
620.05620.06
1
620.07
4
620.08620.09
2
620.000
2
620.001
Philosophy And Psychology
621
620.002
Miscellany
279
620.003
Dictionaries And Encyclopedias
15
620.004
Special Topics
1,432
620.005
7
620.006
Business
119
620.007
Education And Research
231
620.008
11
620.009
Biography And History
202
620.0040
1
620.0041620.0042
Design
1,027
620.0043620.0044
73
620.0045
Quality
261
620.0046
16
620.0047620.0048620.0049
620.00420
506
620.00421620.00422
3
620.00423620.00424620.00425
78
620.00426620.00427620.00428620.00429
620.004200620.004201
Philosophy And Psychology
19
620.004202
Miscellany
478
620.004203
1
620.004204620.004205
1
620.004206
2
620.004207
Education And Research
4
620.004208
1
620.004209
620.0042020620.0042021620.0042022
1
620.0042023
1
620.0042024620.0042025620.0042026620.0042027620.0042028
475
620.0042029
1
620.00420280620.00420281620.00420282620.00420283620.00420284
1
620.00420285
Software Applications
470
620.00420286
1
620.00420287
1
620.00420288620.00420289
620.004202850620.004202851620.004202852620.004202853
4
620.004202854
1
620.004202855
322
620.004202856
12
620.004202857620.004202858620.004202859
620.0042028550620.0042028551
2
620.0042028552620.0042028553
318
620.0042028554620.0042028555620.0042028556620.0042028557
1
620.0042028558620.0042028559
620.00420285530
1
620.00420285531620.00420285532620.00420285533620.00420285534620.00420285535620.00420285536
303
620.00420285537620.00420285538620.00420285539
620.004202855360620.004202855361620.004202855362620.004202855363620.004202855364620.004202855365620.004202855366620.004202855367620.004202855368620.004202855369
127

Works under MDS 620.004202855369

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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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