Classification
658 - General management
310
330 - Economics
126
381 - Commerce
99
302 - Social interaction
35
300 - Social sciences
32
000 - Computer science, information & general works
29
500 - Natural sciences & mathematics
28
670 - Manufacturing
26
338 - Production
23
333 - Economics of land & energy
17
363 - Other social problems & services
16
745 - Decorative arts
15
158 - Applied psychology
14
600 - Technology
14
610 - Medicine & health
14
380 - Commerce, communications & transportation
13
620 - Engineering & allied operations
11
650 - Management & auxiliary services
11
306 - Culture & institutions
10
700 - The arts; fine & decorative arts
9
339 - Macroeconomics & related topics
8
006 - Special computer methods
7
140 - Specific philosophical schools
7
301 - Sociology & anthropology
7
304 - Factors affecting social behavior
7
580 - Plants (Botany)
7
153 - Mental processes & intelligence
6
320 - Political science
6
332 - Financial economics
6
641 - Food & drink
6
664 - Food technology
6
370 - Education
5
630 - Agriculture & related technologies
5
004 - Data processing & computer science
4
331 - Labor economics
4
384 - Communications; telecommunication
4
100 - Philosophy & psychology
3
305 - Social groups
3
551 - Geology, hydrology & meteorology
3
659 - Advertising & public relations
3
720 - Architecture
3
900 - History & geography
3
001 - Knowledge
2
005 - Computer programming, programs & data
2
150 - Psychology
2
174 - Occupational ethics
2
520 - Astronomy & allied sciences
2
581 - Specific topics in natural history
2
657 - Accounting
2
800 - Literature & rhetoric
2
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