Classification
006 - Special computer methods
632
500 - Natural sciences & mathematics
135
745 - Decorative arts
132
658 - General management
114
331 - Labor economics
112
005 - Computer programming, programs & data
76
004 - Data processing & computer science
67
330 - Economics
55
620 - Engineering & allied operations
50
302 - Social interaction
33
384 - Communications; telecommunication
33
770 - Photography, photographs & computer art
28
338 - Production
27
300 - Social sciences
17
510 - Mathematics
16
519 - Probabilities & applied mathematics
12
381 - Commerce
10
153 - Mental processes & intelligence
8
781 - General principles & musical forms
8
000 - Computer science, information & general works
7
001 - Knowledge
7
303 - Social processes
7
332 - Financial economics
7
670 - Manufacturing
7
741 - Drawing & drawings
7
374 - Adult education
6
304 - Factors affecting social behavior
5
368 - Insurance
5
600 - Technology
5
621 - Applied physics
5
629 - Other branches of engineering
5
333 - Economics of land & energy
4
380 - Commerce, communications & transportation
4
777 - [Unassigned]
4
794 - Indoor games of skill
4
170 - Ethics
3
320 - Political science
3
363 - Other social problems & services
3
650 - Management & auxiliary services
3
791 - Public performances
3
105 - Serial publications
2
339 - Macroeconomics & related topics
2
342 - Constitutional & administrative law
2
370 - Education
2
418 - Standard usage & applied linguistics
2
511 - General principles of mathematics
2
551 - Geology, hydrology & meteorology
2
659 - Advertising & public relations
2
808 - Rhetoric & collections of literature
2
025 - Library operations
1
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