6-digit UNESCO Nomenclature
Encyclopedia
UNESCO Nomenclature is a system developed by UNESCO
UNESCO
The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations...

 for classification
Categorization
Categorization is the process in which ideas and objects are recognized, differentiated and understood. Categorization implies that objects are grouped into categories, usually for some specific purpose. Ideally, a category illuminates a relationship between the subjects and objects of knowledge...

 of research papers and doctoral dissertations. There are three versions of the system, offering different levels of refinement through 2
UNESCO Nomenclature
UNESCO Nomenclature is a system developed by UNESCO for classification of research papers and doctoral dissertations...

-, 4
4-digit UNESCO Nomenclature
UNESCO Nomenclature 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...

-, and 6-digit codes.

Six-digit system

The following links do not link directly to topics. Instead, they link to pages on which the 6-digit UNESCO nomenclature is described in more detail: it is far too large a system to cover on a single page.

11 Logic

12 Mathematics

21 Astronomy, Astrophysics

22 Physics

23 Chemistry

24 Life Sciences 

25 Earth and space science

31 Agricultural Sciences

32 Medical Sciences

33 Technological Sciences

51 Anthropology

52 Demography

53 Economic Sciences

54 Geography

55 History

56 Juridical Science and Law

57 Linguistics 

58 Pedagogy

59 Political Science 

61 Psychology

62 Sciences of Arts and Letters

63 Sociology 

71 Ethics 

72 Philosophy

External links

While the English-language Wikipedia lacks articles on the specific 6-digit categories, they are all available in Spanish
Spanish language
Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

, linked from :es:Clasificación Unesco 6 dígitos.

There is also available the original UNESCO "PROPOSED INTERNATIONAL STANDARD NOMENCLATURE FOR FIELDS OF SCIENCE AND TECHNOLOGY", from 1988, at UNESCO Archives, describing the nomenclature system.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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