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Melvil Decimal System: 620.001515

Wording: Technology > Engineering > Engineering > Not set > General Engineering > Philosophy And Psychology > Mathematics > Not set > Not set

Dewmoji: πŸ’‘ > πŸ”© > πŸ”© > ? > ? > ? > ? > ? > ?

0
Information
174,688
ℹ️
1
Philosophy and Psychology
162,098
πŸ’­
2
Religion
425,567
πŸ™πŸ½
3
Social Sciences
883,171
πŸ‘«
4
Language
118,317
πŸ’¬
5
Mathematics and Science
274,552
πŸ”¬
6
Technology
640,503
πŸ’‘
7
Arts and Recreation
653,495
🎨
8
Literature
867,539
πŸ“š
9
Biography and History
552,578
πŸ—Ώ
60
General Technology
6,263
πŸ’‘
61
Medicine
208,106
πŸ’‰
62
Engineering
102,706
πŸ”©
63
Agriculture & Animal Husbandry
62,038
🌱
64
Home Economics
123,224
🏠
65
Business
99,367
πŸ‘”
66
Chemical Technology
11,512
πŸš€
67
Manufacturing
4,875
πŸ“¦
68
Handicraft and Occupations
14,184
πŸ”¨
69
Building
8,228
πŸ‘·
620
Engineering
12,122
πŸ”©
621
Mechanical Engineering and Machinery
31,241
🏭
622
Mining Engineering and Mines and Mineral Resources
2,352
πŸ•³
623
Military Engineering and Marine Engineering
10,875
βš“
624
Civil Engineering
5,412
πŸŒ‰
625
Road and Railroad
3,440
πŸ›€
626
--
29
🀷
627
Hydraulic Engineering
1,060
🌊
628
Sanitary; Municipal
4,548
🚽
629
Other Branches
31,627
🌿
620.0
2,966
620.1
Materials Science
4,970
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
491
πŸ‘¨
620.9
45
620.00
General Engineering
2,931
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
280
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
204
620.0010620.0011
Systems
122
620.0012620.0013
1
620.0014
Language
12
620.0015
Mathematics
233
620.0016
1
620.0017620.0018
8
620.0019
620.00150620.00151
228
620.00152620.00153620.00154620.00155620.00156620.00157620.00158620.00159
620.001510620.001511
12
620.001512
1
620.001513
1
620.001514
1
620.001515
79
620.001516620.001517620.001518
30
620.001519
23
620.0015150620.0015151620.0015152
2
620.0015153
73
620.0015154
1
620.0015155620.0015156
1
620.0015157
1
620.0015158620.0015159

Works under MDS 620.001515

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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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