Classification
001 - Knowledge
300 - Social sciences
855
658 - General management
285
330 - Economics
215
500 - Natural sciences & mathematics
95
338 - Production
69
302 - Social interaction
68
331 - Labor economics
59
381 - Commerce
51
005 - Computer programming, programs & data
45
000 - Computer science, information & general works
41
620 - Engineering & allied operations
41
519 - Probabilities & applied mathematics
40
670 - Manufacturing
38
745 - Decorative arts
32
332 - Financial economics
30
700 - The arts; fine & decorative arts
30
650 - Management & auxiliary services
28
158 - Applied psychology
27
006 - Special computer methods
24
384 - Communications; telecommunication
20
153 - Mental processes & intelligence
19
510 - Mathematics
19
364 - Criminology
12
368 - Insurance
9
363 - Other social problems & services
7
674 - Lumber processing, wood products & cork
7
740 - Drawing & decorative arts
7
800 - Literature & rhetoric
7
303 - Social processes
6
610 - Medicine & health
6
004 - Data processing & computer science
5
170 - Ethics
5
380 - Commerce, communications & transportation
5
659 - Advertising & public relations
5
600 - Technology
4
741 - Drawing & drawings
4
025 - Library operations
3
304 - Factors affecting social behavior
3
362 - Social welfare problems & services
3
371 - Schools & their activities; special education
3
720 - Architecture
3
011 - Bibliographies
2
307 - Communities
2
333 - Economics of land & energy
2
339 - Macroeconomics & related topics
2
344 - Labor, social, education & cultural law
2
352 - General considerations of public administration
2
361 - Social problems & social welfare in general
2
370 - Education
2
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