Classification
338 - Production
330 - Economics
103
658 - General management
101
300 - Social sciences
44
302 - Social interaction
39
650 - Management & auxiliary services
26
500 - Natural sciences & mathematics
25
670 - Manufacturing
23
158 - Applied psychology
22
331 - Labor economics
22
332 - Financial economics
17
381 - Commerce
14
153 - Mental processes & intelligence
9
384 - Communications; telecommunication
9
620 - Engineering & allied operations
9
000 - Computer science, information & general works
6
004 - Data processing & computer science
6
005 - Computer programming, programs & data
5
657 - Accounting
4
621 - Applied physics
3
006 - Special computer methods
2
304 - Factors affecting social behavior
2
380 - Commerce, communications & transportation
2
600 - Technology
2
601 - Philosophy & theory
2
681 - Precision instruments & other devices
2
745 - Decorative arts
2
001 - Knowledge
1
155 - Differential & developmental psychology
1
170 - Ethics
1
333 - Economics of land & energy
1
336 - Public finance
1
339 - Macroeconomics & related topics
1
343 - Military, tax, trade & industrial law
1
363 - Other social problems & services
1
382 - International commerce
1
559 - Earth sciences of other areas
1
610 - Medicine & health
1
628 - Sanitary & municipal engineering
1
629 - Other branches of engineering
1
646 - Sewing, clothing & personal living
1
663 - Beverage technology
1
677 - Textiles
1