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Melvil Decimal System: 001.9420

Wording: Information > Computing And Information > Knowledge > Controversial knowledge > Mysteries > UFOs > Not set

Dewmoji: ℹ️ > πŸ’» > πŸ¦‰ > πŸ•³ > ? > πŸ‘½ > ?

0
Information
174,134
ℹ️
1
Philosophy and Psychology
161,536
πŸ’­
2
Religion
421,381
πŸ™πŸ½
3
Social Sciences
880,123
πŸ‘«
4
Language
117,795
πŸ’¬
5
Mathematics and Science
273,636
πŸ”¬
6
Technology
638,661
πŸ’‘
7
Arts and Recreation
650,231
🎨
8
Literature
863,493
πŸ“š
9
Biography and History
549,572
πŸ—Ώ
00
Computing And Information
98,563
πŸ’»
01
Bibliographies
19,733
πŸ“š
02
Library and Information Sciences
21,740
πŸ“—
03
Dictionaries And Encyclopedias
9,032
πŸ“•
04
[Formerly "Biographies"; Currently unassigned]
844
πŸ‘³πŸΌ
05
Periodicals
2,369
𝐓
06
Organizations
3,527
🏒
07
Journalism And Publishing
12,045
πŸ“°
08
Quotations
4,833
πŸ’¬
09
Manuscripts and rare books
1,448
πŸ“™
000
General Works
558
🌫
001
Knowledge
12,574
πŸ¦‰
002
History of the book
1,076
πŸ”™
003
Systems Theory
2,149
πŸ’­
004
Computer Hardware
21,946
πŸ’»
005
Computer Software
43,501
πŸ’Ώ
006
Special Topics
16,246
πŸ€“
007
--
110
🀷
008
--
197
🀷
009
--
206
🀷
001.0
Knowledge -- Subdivisions
387
001.1
Intellectual Life
91
πŸ’­
001.2
Scholarship And Learning
259
001.3
Humanities
366
001.4
Research And Data Display
2,384
001.5
Communication
1,147
πŸ“‘
001.6
Computer Science
3,634
001.7
1
001.8
---
14
001.9
Controversial knowledge
3,131
πŸ•³
001.90
19
001.91
3
001.92
3
001.93
28
001.94
Mysteries
2,008
?
001.95
Hoaxes
39
πŸƒ
001.96
Superstition and error
74
πŸ’©
001.97
1
001.98001.99
2
001.940
55
001.941001.942
UFOs
916
πŸ‘½
001.943001.944
Monsters and related phenomena / Cryptozoology
398
πŸ‘£
001.945001.946001.947001.948001.949
001.9420
107
001.9421001.9422001.9423001.9424001.9425001.9426001.9427001.9428001.9429
001.94200001.94201
3
001.94202
2
001.94203
8
001.94204001.94205
2
001.94206
1
001.94207
5
001.94208001.94209
85

Works under MDS 001.9420

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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

Related tags

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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