Nippon Decimal Classification

<h2 id="main-classes">Main classes</h2>
<p>The system is made up of ten categories:
</p>
<ul><li>000 General</li>
<li>100 Philosophy</li>
<li>200 History</li>
<li>300 <a href="/facts/Social_sciences/hAbm1xtD">Social sciences</a></li>
<li>400 <a href="/facts/Natural_sciences/8hg81Q2p">Natural sciences</a></li>
<li>500 Technology</li>
<li>600 Industry</li>
<li>700 Arts</li>
<li>800 <a href="/facts/Language/IRcTok2q">Language</a></li>
<li>900 Literature</li></ul>
<h2 id="description-of-the-divisions">Description of the Divisions</h2>
<h3>000 General</h3>
<p>The General category contains books that contain general information, rather than information about specific topics. The sub-categories of the General category are:
</p>
<ul><li>010 Libraries, <a href="/facts/Library_and_information_science/sQAvSYKL">Library & information science</a></li>
<li>020 Books, <a href="/facts/Bibliography/xul38mej">Bibliography</a></li>
<li>030 Encyclopaedias</li>
<li>040 General collected essays</li>
<li>050 General <a href="/facts/Periodical_literature/1Ep96WIt">serial publications</a></li>
<li>060 General societies</li>
<li>070 Journalism, Newspapers</li>
<li>080 General collections</li>
<li>090 <a href="/facts/Rare_books/zPTxlzFg">Rare books</a>, Local collections, <a href="/facts/Special_collections/PJT5cDmf">Special collections</a></li></ul>
<h3>100 Philosophy</h3>
<p>The Philosophy category contains books that contain information regarding philosophy, religion, and psychology. The sub-categories of the Philosophy category are:
</p>
<ul><li>110 Special treatises on philosophy</li>
<li>120 <a href="/facts/Oriental_philosophy/nkrrXEFz">Oriental philosophy</a></li>
<li>130 <a href="/facts/Western_philosophy/4m6EnYCI">Western philosophy</a></li>
<li>140 <a href="/facts/Psychology/duoqW7Sz">Psychology</a></li>
<li>150 Ethics & morals</li>
<li>160 Religion</li>
<li>170 <a href="/facts/Shinto/HAAJ0D9C">Shinto</a></li>
<li>180 <a href="/facts/Buddhism/G0wsjrSl">Buddhism</a></li>
<li>190 Christianity</li></ul>
<h3>200 History</h3>
<p>The History category contains books that contain information regarding local and foreign history. The sub-categories of the History category are:
</p>
<ul><li>210 <a href="/facts/History_of_Japan/XYqQMJCQ">History of Japan</a></li>
<li>220 <a href="/facts/History_of_Asia/lnlD6MtN">History of Asia</a></li>
<li>230 <a href="/facts/History_of_Europe/UwUVuaUH">History of Europe</a></li>
<li>240 <a href="/facts/History_of_Africa/RXG27Rb6">History of Africa</a></li>
<li>250 <a href="/facts/History_of_North_America/BaBousmL">History of North America</a></li>
<li>260 <a href="/facts/History_of_South_America/qXMNLmth">History of South America</a></li>
<li>270 <a href="/facts/History_of_Oceania/cwT2amff">History of Oceania</a> & <a href="/facts/Polar_regions/KkBuzr2n">Polar region</a></li>
<li>280 Biography</li>
<li>290 <a href="/facts/Geography/TRd1Toyo">Geography</a>, <a href="/facts/Topography/SS8Bx4t9">Topography</a>, Travel</li></ul>
<h3>300 Social Sciences</h3>
<p>The Social Sciences category contains books that contain information regarding modern day society, such as government systems and cultural traditions. The sub-categories of the Social Sciences category are:
</p>
<ul><li>310 Politics</li>
<li>320 Law</li>
<li>330 Economics</li>
<li>340 Finance</li>
<li>350 Statistics</li>
<li>360 Sociology</li>
<li>370 Education</li>
<li>380 Customs, <a href="/facts/Folklore/hcBN8qcd">Folklore</a>, <a href="/facts/Ethnology/MJQ2vC0K">Ethnology</a></li>
<li>390 National defence, <a href="/facts/Military_science/up3hKbIj">Military science</a></li></ul>
<h3>400 Natural Sciences</h3>
<p>The Natural Sciences category contains books that contain information regarding the natural world, such as plants, animals, and natural laws, such as math and physics. The sub-categories of the Natural Sciences category are:
</p>
<ul><li>410 Mathematics</li>
<li>420 <a href="/facts/Physics/a7aH2y08">Physics</a></li>
<li>430 <a href="/facts/Chemistry/SrNqkGVm">Chemistry</a></li>
<li>440 <a href="/facts/Astronomy/0ArJVM1p">Astronomy</a>, <a href="/facts/Space_science/Q7dCLVdN">Space science</a></li>
<li>450 <a href="/facts/Earth_science/rQsXCSbM">Earth science</a></li>
<li>460 <a href="/facts/Biology/1M1ee3pB">Biology</a></li>
<li>470 <a href="/facts/Botany/PaIRoxnb">Botany</a></li>
<li>480 <a href="/facts/Zoology/6Kj13mBt">Zoology</a></li>
<li>490 Medicine, <a href="/facts/Pharmacology/4Rx8s7Ie">Pharmacology</a></li></ul>
<h3>500 Technology and Engineering</h3>
<p>The Technology & Engineering category contains books that contain information regarding man-made scientific achievements. The sub-categories of the Technology & Engineering category are:
</p>
<ul><li>510 Construction, Civil engineering</li>
<li>520 Architecture</li>
<li>530 Mechanical engineering, <a href="/facts/Nuclear_engineering/wu26D25C">Nuclear engineering</a></li>
<li>540 <a href="/facts/Electrical_engineering/YYXW1KLW">Electrical</a> & <a href="/facts/Electronic_engineering/WCSVulpu">Electronic engineering</a></li>
<li>550 Maritime & <a href="/facts/Naval_engineer/dJnh5bsd">Naval engineering</a></li>
<li>560 Metal & <a href="/facts/Mining_engineering/VEAosBGK">Mining engineering</a></li>
<li>570 <a href="/facts/Chemical_technology/Fb64amQf">Chemical technology</a></li>
<li>580 Manufacturing</li>
<li>590 <a href="/facts/Domestic_science/aHcHSGqh">Domestic arts and sciences</a></li></ul>
<h3>600 Industry and Commerce</h3>
<p>The Industry and Commerce category contains books that contain information regarding business, products, transportation systems, and money. The sub-categories of the Industry and Commerce category are:
</p>
<ul><li>610 Agriculture</li>
<li>620 Horticulture</li>
<li>630 <a href="/facts/Sericulture/tW1uTTtf">Silk industry</a></li>
<li>640 <a href="/facts/Animal_husbandry/aJforlQp">Animal husbandry</a></li>
<li>650 <a href="/facts/Forestry/puvod5MV">Forestry</a></li>
<li>660 Fishing</li>
<li>670 Commerce</li>
<li>680 Transportation & Traffic</li>
<li>690 Communications</li></ul>
<h3>700 Arts</h3>
<p>The Arts category contains books that contain information regarding various art forms, such as paintings, writing, and music. The sub-categories of the Arts category are:
</p>
<ul><li>710 <a href="/facts/Plastic_arts/jRQJBeWd">Plastic arts</a> (sculpture)</li>
<li>720 Painting & <a href="/facts/Calligraphy/lFIUgDeW">Calligraphy</a></li>
<li>730 <a href="/facts/Engraving/0hCX4flU">Engraving</a></li>
<li>740 Photography & Printing</li>
<li>750 <a href="/facts/Craft/eoP1sKrY">Craft</a></li>
<li>760 Music & Dance</li>
<li>770 Theatre, Motion Pictures</li>
<li>780 <a href="/facts/Sports/0NazHJMC">Sports</a>, <a href="/facts/Physical_Education/brxMYG1X">Physical Education</a></li>
<li>790 <a href="/facts/Recreation/moECrpPw">Recreation</a>, Amusements</li></ul>
<h3>800 Language</h3>
<p>The Language category contains books that contain information regarding various languages spoken around the world. The sub-categories of the Language category are:
</p>
<ul><li>810 Japanese</li>
<li>820 Chinese</li>
<li>830 English</li>
<li>840 German</li>
<li>850 French</li>
<li>860 Spanish</li>
<li>870 Italian</li>
<li>880 Russian</li>
<li>890 Other languages</li></ul>
<h3>900 Literature</h3>
<p>The Literature category contains books with fictional content, such as romance novels and adventure stories. The sub-categories of the Literature category are:
</p>
<ul><li>910 <a href="/facts/Japanese_literature/nasdY2wG">Japanese literature</a></li>
<li>920 <a href="/facts/Chinese_literature/X2MEqrzo">Chinese literature</a></li>
<li>930 English & <a href="/facts/American_literature/uFaeT5D6">American literature</a></li>
<li>940 <a href="/facts/German_literature/o8LMuI4U">German literature</a></li>
<li>950 <a href="/facts/French_literature/L1fo6JPq">French literature</a></li>
<li>960 <a href="/facts/Spanish_literature/fgYJNjYf">Spanish literature</a></li>
<li>970 <a href="/facts/Italian_literature/8qSymVPS">Italian literature</a></li>
<li>980 Russian & <a href="/facts/Soviet_literature/xBdGRAWw">Soviet literature</a></li>
<li>990 Other language literature</li></ul>

<h2 id="external-links">External links</h2>
<ul><li><a href="http://www.jla.or.jp/index-e.html">Japan Library Association</a></li>
<li><a href="http://www.asahi-net.or.jp/~ax2s-kmtn/ref/ndc/e_ndc.html">CyberLibrarian</a></li></ul>

Nippon Decimal Classification open-in-new

Nippon Decimal Classification