4-digit UNESCO Nomenclature

UNESCO Nomenclature (more properly UNESCO nomenclature for fields of science and technology) is a system developed by UNESCO for classification of research papers and doctoral dissertations. There are three versions of the system, offering different levels of refinement through 2-, 4-, and 6-digit codes. This article describes the 4-digit nomenclature.

4-digit nomenclature

11Logic
1101Application of logic
1102Deductive logic
1103General logic
1104Inductive logic
1105Methodology
1199Other specialities relating to logic
12Mathematics
1201Algebra
1202Analysis and functional analysis
1203Computer Sciences (see 3304)
1204Geometry
1205Number theory
1206Numerical analysis
1207Operations research
1208Probability
1209Statistics
1210Topology
1299Other mathematical specialities
21Astronomy, Astrophysics
2101Cosmology
2102Interplanetary physics (see 2512, 3324)
2103Optical astronomy (see 2209)
2104Planetology (see 2512, 3324)
2105Radio-astronomy
2106Solar system
2199Other astronomical specialities
22Physics
2201Acoustics
2202Electro-magnetism
2203Electronics (see 3307)
2204Physics
2205Mechanics
2206Molecular physics
2207Nuclear physics (see 3320)
2208Nucleonics
2209Optics
2210Physical chemistry (see 2307)
2211Solid state physics
2212Theoretical physics
2213Thermodynamics
2214Units and constants
2299Other physical specialities
23Chemistry
2301Analytical chemistry
2302Biochemistry (see 2306)
2303Inorganic chemistry (see 3303)
2304Macromolecular chemistry
2305Nuclear chemistry
2306Organic chemistry
2307Physical chemistry (see 2210)
2399Other chemical specialities
24Life Sciences
2401Animal Biology (Zoology) (see 3109)
2402Anthropology (physical) (see 51)
2403Biochemistry (see 2302)
2404Biomathematics
2405Biometrics
2406Biophysics
2407Cell biology
2408Ethology
2409Genetics
2410Human biology (see 32)
2411Human physiology
2412Immunology
2413Insect Biology (Entomology)
2414Microbiology
2415Molecular biology
2416Palaeontology
2417Plant Biology (Botany) (see 3103)
2418Radiobiology
2419Symbiosis
2420Virology
2499Other biological specialities
25Earth and space science
2501Atmospheric sciences (see 2502, 2509)
2502Climatology (see 2501, 2509)
2503Geochemistry
2504Geodesy
2505Geography (see 54)
2506Geology
2507Geophysics
2508Hydrology
2509Meteorology (see 2501, 2502)
2510Oceanography
2511Soil Science
2512Space Sciences (see 2102, 2104, 3324)
2599Other Earth, Space or Environmental specialities
31Agricultural Sciences
3101Agricultural chemistry
3102Agricultural engineering
3103Agronomy
3104Animal husbandry
3105Fish and wildlife
3106Forestry
3107Horticulture
3108Phytopathology
3109Veterinary sciences
3199Other agricultural specialities
32Medical Sciences
3201Clinical sciences
3202Epidemiology (see 2414, 2420)
3203Forensic medicine
3204Occupational medicine
3205Internal medicine
3206Nutrition sciences (see 3309)
3207Pathology
3208Pharmacodynamics
3209Pharmacology
3210Preventive medicine
3211Psychiatry
3212Public health
3213Surgery
3214Toxicology
3299Other medical specialities
33Technological Sciences
3301Aeronautical technology and engineering
3302Biochemical technology (see 3309)
3303Chemical technology and engineering (see 2303, 2304, 2306)
3304Computer technology (see 1203)
3305Construction technology (see 3312, 5312)
3306Electrical technology and engineering
3307Electronic technology (see 2202, 2203, 3325)
3308Environmental technology and engineering
3309Food technology (see 3302, 3206)
3310Industrial technology (see 5311)
3311Instrumentation technology
3312Materials technology
3313Mechanical Engineering and technology
3314Medical technology
3315Metallurgical technology
3316Metal products technology
3317Motor vehicle technology
3318Mining technology
3319Naval technology
3320Nuclear technology (see 2207)
3321Petroleum and coal technology
3322Power technology
3323Railway technology
3324Space technology (see 2512)
3325Telecommunications technology (see 2202, 2203, 3307)
3326Textile technology
3327Transportation systems technology
3328Unit operations technology
3329Urban Planning
3399Other technological specialities
51Anthropology
5101Cultural anthropology
5102Ethnography and Ethnology
5103Social anthropology
5199Other anthropology specialities
52Demography
5201Fertility
5202General demography
5203Geographical demography
5204Historical demography
5205Mortality
5206Population characteristics
5207Population size and demographic evolution
5299Other demographic specialities
53Economic Sciences
5301Domestic fiscal policy and public finance
5302Econometrics
5303Economic accounting
5304Economic activity
5305Economic systems
5306Economics of technological change
5307Economic theory
5308General economics
5309Industrial organization and public policy
5310International economics
5311Organization and management of enterprises (see 3310)
5312Sectorial economics
5399Other economic specialities
54Geography
5401Economic geography
5402Historical geography
5403Human geography
5404Regional geography
5499Other geographical specialities
55History
5501Biographies
5502General history
5503History of countries
5504History by epochs
5505Sciences auxiliary to history
5506Specialized histories
5599Other historical specialities
56Juridical Science and Law
5601Canon law
5602General theory and method
5603International law
5604Legal organization
5605National law and legislation
5699Other juridical specialities
57Linguistics
5701Applied linguistics
5702Diachronic linguistics
5703Linguistic geography
5704Linguistic theory
5705Synchronic linguistics
5799Other linguistic specialities
58Pedagogy
5801Educational theory and methods
5802Organization and planning of education
5803Teacher training and employment
5899Other pedagogical specialities
59Political Science
5901International relations
5902Policy sciences
5903Political ideologies
5904Political institutions
5905Political life
5906Political sociology
5907Political systems
5908Political theory
5909Public administration
5910Public opinion
5999Other political science specialities
61Psychology
6101Abnormal psychology (see 3211)
6102Adolescent and child psychology
6103Counselling and guidance (see 3211)
6104Educational psychology
6105Evaluation and measurement in psychology
6106Experimental psychology
6107General psychology
6108Geriatric psychology
6109Occupational and personnel psychology
6110Parapsychology
6111Personality
6112Psychological study of social issues
6113Psychopharmacology
6114Social psychology
6199Other psychological specialities
62Sciences of Arts and Letters
6201Architecture
6202Literary theory, analysis and criticism
6203Fine arts theory, analysis and criticism
6299Other artistic specialities
63Sociology
6301Cultural sociology
6302Experimental sociology
6303General sociology
6304International disorder
6305Mathematical sociology
6306Occupational sociology
6307Social change and development
6308Social communications
6309Social groups
6310Social problems - Social disorder
6311Sociology of human settlements
6399Other sociological specialities
71Ethics
7101Classical ethics
7102Ethics of individuals
7103Group ethics
7104Prospective ethics
7199Other specialities relating to ethics
72Philosophy
7201Philosophy of knowledge
7202Philosophical anthropology
7203General philosophy
7204Philosophical systems
7205Philosophy of science
7206Philosophy of nature
7207Social philosophy
7208Philosophical doctrines
7299Other philosophical specialities

See also

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