Nippon Decimal Classification (NDC) Newly rev. 9th ed.

‚O‚O‚O General works
‚O‚P‚O@Libraries/Library and information science
‚O‚Q‚O@Books. Bibliography
‚O‚R‚O@General encyclopedias
‚O‚S‚O@General collected essays
‚O‚T‚O@Genera serial publications
‚O‚U‚O@General societies
‚O‚V‚O@Journalism. Newspapers
‚O‚W‚O@General collections
‚O‚X‚O@Rare books. Local collections.

‚T‚O‚O Technology. Engineering
‚T‚P‚O@Construction. Civil engineering
‚T‚Q‚O@Architecture. Building
‚T‚R‚O@Mechanical engineering
‚T‚S‚O@Electrical engineering
‚T‚T‚O@Maritime engineering. Weapons
‚T‚U‚O@Metal and mining engineering
‚T‚V‚O@Chemical technology
‚T‚W‚O@Manufactures
‚T‚X‚O Domestic arts and sciences

‚P‚O‚O Philosophy
‚P‚P‚O@Special treatises on philosophy
‚P‚Q‚O@Oriental thought
‚P‚R‚O@Western philosophy
‚P‚S‚O@Psychology
‚P‚T‚O@Ethics. Morals
‚P‚U‚O Religion
‚P‚V‚O Shinto
‚P‚W‚O Buddhism
‚P‚X‚O Christianity

‚U‚O‚O Industry and commerce
‚U‚P‚O@Agriculture
‚U‚Q‚O@Horticulture
‚U‚R‚O@Sericulture. Silk industry
‚U‚S‚O@Animal husbandry
‚U‚T‚O@Forestry
‚U‚U‚O@Fishing industry. Fisheries
‚U‚V‚O@Commerce
‚U‚W‚O@Transportation services
‚U‚X‚O@Communication services

‚Q‚O‚O General history
‚Q‚P‚O@General history of Nippon
‚Q‚Q‚O@General history of Asia
‚Q‚R‚O@General history of Europe
‚Q‚S‚O@General history of Africa
‚Q‚T‚O@General history of North America
‚Q‚U‚O@General history of South America
‚Q‚V‚O@General history of Oceania/General history of Polar Regions
‚Q‚W‚O@General biography
‚Q‚X‚O General geography/Description travel

‚V‚O‚O The arts. Fine arts
‚V‚P‚O@Sculpture. Plastic arts
‚V‚Q‚O@Painting. Pictorial arts. Shodo
‚V‚R‚O@Engraving
‚V‚S‚O@Photography and photographs
‚V‚T‚O@Industrial arts
‚V‚U‚O@Music. Theatrical dancing
‚V‚V‚O@Theater. Motion pictures
‚V‚W‚O Sports and physical training
‚V‚X‚O Accomplishments and amusements

‚R‚O‚O Social science
‚R‚P‚O@Political science
‚R‚Q‚O@Law
‚R‚R‚O@Economics
‚R‚S‚O@Public finance
‚R‚T‚O@Statistics
‚R‚U‚O@Society
‚R‚V‚O@Education
‚R‚W‚O@Customs, folklore and ethnology
‚R‚X‚O@National defence. Military science

‚W‚O‚O Language
‚W‚P‚O@Nipponese
‚W‚Q‚O@Chinese. Other Oriental languages
‚W‚R‚O@English
‚W‚S‚O@German
‚W‚T‚O@French
‚W‚U‚O@Spanish
‚W‚V‚O@Italian
‚W‚W‚O@Russian
‚W‚X‚O@Other languages

‚S‚O‚O Natural science
‚S‚P‚O@Mathematics
‚S‚Q‚O@Physics
‚S‚R‚O@Chemistry
‚S‚S‚O@Astronomy. Space sciences
‚S‚T‚O@Earth sciences
‚S‚U‚O Biology
‚S‚V‚O Botany@
‚S‚W‚O Zoology
‚S‚X‚O Medical sciences

‚X‚O‚O Literature
‚X‚P‚O@Nipponese literature
‚X‚Q‚O@Chinese literature/Other Oriental literature
‚X‚R‚O@English and American literature
‚X‚S‚O@German literature
‚X‚T‚O@French literature
‚X‚U‚O@Spanish literature
‚X‚V‚O@Italian literature
‚X‚W‚O@Russian literature
‚X‚X‚O@Literatures of other languages