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Melvil Decimal System: 623

Wording: Technology > Engineering > Military Engineering and Marine Engineering

Dewmoji: 💡 > 🔩 > ⚓

0
Information
174,374
ℹī¸
1
Philosophy and Psychology
161,779
💭
2
Religion
423,184
🙏đŸŊ
3
Social Sciences
881,318
đŸ‘Ģ
4
Language
118,009
đŸ’Ŧ
5
Mathematics and Science
273,977
đŸ”Ŧ
6
Technology
639,279
💡
7
Arts and Recreation
651,427
🎨
8
Literature
865,204
📚
9
Biography and History
550,807
đŸ—ŋ
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
đŸ“Ļ
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
đŸ•ŗ
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
đŸšŊ
629
Other Branches
31,580
đŸŒŋ
623.0
144
623.1
191
623.2
15
623.3
41
623.4
Technology of Weapons and Armaments
1,701
623.5
Ballistics and Gunnery
40
623.6
31
623.7
Military Aviation; Military Wheeled & Tracked Vehicles; Related Technologies
2,785
623.8
Naval architecture; Shipbilding
5,473
đŸšĸ
623.9
8

Works under MDS 623

10,856 results. First 2,000 shown.

1–50 of 1,915 ( next )titles | covers | shelf
( next )

Wording

1922 Edition
Modern language
Emoji

"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

MDSScheduleRatioCount
359.32Social Sciences > Public Administration, Military Science > Navy; Naval Science > Organization of military forces142.5285
359.3Social Sciences > Public Administration, Military Science > Navy; Naval Science > Organization of military forces103.8415
358.18Social Sciences > Public Administration, Military Science > Air forces and other advanced weaponry > Artillery103206
358.43Social Sciences > Public Administration, Military Science > Air forces and other advanced weaponry > Air Forces > Fighters & Interceptors95.5191
359.8Social Sciences > Public Administration, Military Science > Navy; Naval Science > Military equipment and supplies89.5179
358.4Social Sciences > Public Administration, Military Science > Air forces and other advanced weaponry > Air Forces62.7878
358.1Social Sciences > Public Administration, Military Science > Air forces and other advanced weaponry > Artillery61244
358Social Sciences > Public Administration, Military Science > Air forces and other advanced weaponry60.21144
359.83Social Sciences > Public Administration, Military Science > Navy; Naval Science > Military equipment and supplies60120
359Social Sciences > Public Administration, Military Science > Navy; Naval Science56.41071
387.2Social Sciences > Commerce, Communications, Transportation > Rivers, Oceans, and Flight > Ocean travel55.7334
355.8Social Sciences > Public Administration, Military Science > Military Science > Military equipment and supplies34.6173
797.1Arts and Recreation > Amusements and Recreation > Water & Aerial Sports > Boating33.8405
358.41Social Sciences > Public Administration, Military Science > Air forces and other advanced weaponry > Air Forces > By Topic33.7101
359.00Social Sciences > Public Administration, Military Science > Navy; Naval Science24.8124
797Arts and Recreation > Amusements and Recreation > Water & Aerial Sports23.5518
387Social Sciences > Commerce, Communications, Transportation > Rivers, Oceans, and Flight23.1462
910.45Biography and History > Geography, Voyages And Travel > Geography and Travels > Special Topics > Ocean voyages, pirates22.3134
35XSocial Sciences > Public Administration, Military Science223646
359.0Social Sciences > Public Administration, Military Science > Navy; Naval Science19.3135

Related tags

aircraft (325) American History (162) architecture (352) Armor (368) atomic bomb (299) Aviation (926) biography (340) boatbuilding (209) boats (396) castles (299) crafts (212) Firearms (190) historical fiction (186) history (3,454) knots (727) Manhattan Project (164) maritime (206) medieval (313) Middle Ages (180) military (764) military history (840) Naval (531) Naval History (317) non-fiction (2,236) nuclear weapons (163) Osprey (426) physics (273) picture book (165) reference (620) sailing (698) science (617) ships (513) submarines (227) to-read (295) transportation (251) war (219) Warships (211) weapons (539) WWI (353) WWII (2,654)

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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