Classification
330 - Economics
53
005 - Computer programming, programs & data
27
004 - Data processing & computer science
23
700 - The arts; fine & decorative arts
22
658 - General management
21
338 - Production
16
320 - Political science
13
333 - Economics of land & energy
13
300 - Social sciences
11
380 - Commerce, communications & transportation
11
000 - Computer science, information & general works
9
304 - Factors affecting social behavior
9
306 - Culture & institutions
9
331 - Labor economics
8
006 - Special computer methods
6
302 - Social interaction
6
363 - Other social problems & services
6
140 - Specific philosophical schools
5
600 - Technology
5
780 - Music
5
003 - Systems
4
301 - Sociology & anthropology
4
340 - Law
4
370 - Education
4
620 - Engineering & allied operations
4
791 - Public performances
4
158 - Applied psychology
3
307 - Communities
3
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
650 - Management & auxiliary services
3
720 - Architecture
3
900 - History & geography
3
025 - Library operations
2
100 - Philosophy & psychology
2
153 - Mental processes & intelligence
2
343 - Military, tax, trade & industrial law
2
353 - Specific fields of public administration
2
381 - Commerce
2
384 - Communications; telecommunication
2
610 - Medicine & health
2
659 - Advertising & public relations
2
907 - Education, research & related topics
2
910 - Geography & travel
2
930 - History of ancient world to ca. 499
2
174 - Occupational ethics
1
303 - Social processes
1
305 - Social groups
1
332 - Financial economics
1
346 - Private law
1
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