Classification
001 - Knowledge
300 - Social sciences
4,082
658 - General management
293
330 - Economics
221
500 - Natural sciences & mathematics
97
302 - Social interaction
71
338 - Production
71
331 - Labor economics
62
005 - Computer programming, programs & data
52
381 - Commerce
51
620 - Engineering & allied operations
44
519 - Probabilities & applied mathematics
43
000 - Computer science, information & general works
42
670 - Manufacturing
38
700 - The arts; fine & decorative arts
36
745 - Decorative arts
33
332 - Financial economics
31
650 - Management & auxiliary services
28
158 - Applied psychology
27
006 - Special computer methods
25
384 - Communications; telecommunication
21
153 - Mental processes & intelligence
20
510 - Mathematics
20
364 - Criminology
12
368 - Insurance
9
674 - Lumber processing, wood products & cork
8
800 - Literature & rhetoric
8
363 - Other social problems & services
7
740 - Drawing & decorative arts
7
170 - Ethics
6
303 - Social processes
6
610 - Medicine & health
6
004 - Data processing & computer science
5
380 - Commerce, communications & transportation
5
659 - Advertising & public relations
5
900 - History & geography
5
371 - Schools & their activities; special education
4
600 - Technology
4
741 - Drawing & drawings
4
025 - Library operations
3
304 - Factors affecting social behavior
3
362 - Social welfare problems & services
3
370 - Education
3
720 - Architecture
3
011 - Bibliographies
2
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
307 - Communities
2
333 - Economics of land & energy
2
339 - Macroeconomics & related topics
2
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