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Melvil Decimal System: 581.97

Wording: Mathematics and Science > Botany > Physiologic and Structural > Geographic > North America

Dewmoji: πŸ”¬ > 🌿 > ? > ? > ?

0
Information
115,954
ℹ️
1
Philosophy and Psychology
115,844
πŸ’­
2
Religion
351,090
πŸ™πŸ½
3
Social Sciences
554,451
πŸ‘«
4
Language
75,777
πŸ’¬
5
Mathematics and Science
181,736
πŸ”¬
6
Technology
414,821
πŸ’‘
7
Arts and Recreation
444,897
🎨
8
Literature
605,140
πŸ“š
9
Biography and History
396,598
πŸ—Ώ
50
General Science
17,000
πŸ”¬
51
Mathematics
32,369
βž—
52
Astronomy
10,717
🌌
53
Physics
16,578
🍎
54
Chemistry
9,875
βš—
55
Earth sciences & geology
15,630
🌎
56
Fossils & prehistoric life
4,102
πŸ’€
57
Life Sciences
24,338
🐠
58
Botany
11,208
🌿
59
Zoology
39,919
🐼
580
Botany
1,736
🌿
581
Physiologic and Structural
4,010
582
Phanerogamia
3,072
583
Dicotyledonae
690
584
Monocotyledonae
518
585
Gymnospermae
126
🌲
586
Cryptogamia
45
587
Ferns, etc.
202
588
Mosses, etc.
98
589
Fungi
711
πŸ„
581.0
251
581.1
Physiology
239
581.2
Pathology; Teratology
44
581.3
Embryology; Germination
89
581.4
Morphology; Comparative Anatomy
179
581.5
Habits
308
581.6
Economic
824
581.7
Organography; Descriptive Anatomy
224
581.8
Histology
39
581.9
Geographic
1,379
581.90
21
581.91
1
581.92
Ocean, marine flora
31
581.93
Ancient World
1
581.94
Europe
187
581.95
Asia
63
581.96
Africa
61
581.97
North America
511
581.98
South America
28
581.99
Oceania and Polar regions
285
581.970581.971
Canada
36
581.972
Mexico, Central America, and the Caribbean
30
581.973
United States
42
581.974
Northeastern U.S.
57
581.975
Southeastern U.S.
51
581.976
South Central U.S.
22
581.977
Midwestern U.S.
53
581.978
Western U.S.
36
581.979
West Coast U.S.
127

Works under MDS 581.97

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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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