Classification
302 - Social interaction
330 - Economics
338 - Production
658 - General management
300 - Social sciences
403
500 - Natural sciences & mathematics
267
670 - Manufacturing
265
331 - Labor economics
106
650 - Management & auxiliary services
68
381 - Commerce
56
153 - Mental processes & intelligence
43
158 - Applied psychology
39
332 - Financial economics
35
384 - Communications; telecommunication
35
006 - Special computer methods
31
000 - Computer science, information & general works
14
620 - Engineering & allied operations
12
745 - Decorative arts
11
001 - Knowledge
9
380 - Commerce, communications & transportation
8
303 - Social processes
6
368 - Insurance
5
659 - Advertising & public relations
4
004 - Data processing & computer science
2
005 - Computer programming, programs & data
2
155 - Differential & developmental psychology
2
170 - Ethics
2
600 - Technology
2
011 - Bibliographies
1
150 - Psychology
1
304 - Factors affecting social behavior
1
346 - Private law
1
364 - Criminology
1
374 - Adult education
1
510 - Mathematics
1
519 - Probabilities & applied mathematics
1
629 - Other branches of engineering
1
808 - Rhetoric & collections of literature
1