Classification
338 - Production
670 - Manufacturing
658 - General management
379
330 - Economics
348
300 - Social sciences
299
302 - Social interaction
281
500 - Natural sciences & mathematics
269
331 - Labor economics
63
650 - Management & auxiliary services
41
332 - Financial economics
38
158 - Applied psychology
36
381 - Commerce
36
153 - Mental processes & intelligence
18
384 - Communications; telecommunication
15
620 - Engineering & allied operations
11
000 - Computer science, information & general works
9
368 - Insurance
8
380 - Commerce, communications & transportation
7
001 - Knowledge
6
006 - Special computer methods
5
745 - Decorative arts
5
304 - Factors affecting social behavior
4
004 - Data processing & computer science
3
303 - Social processes
3
005 - Computer programming, programs & data
2
170 - Ethics
2
629 - Other branches of engineering
2
659 - Advertising & public relations
2
152 - Perception, movement, emotions & drives
1
334 - Cooperatives
1
337 - International economics
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
374 - Adult education
1
382 - International commerce
1
510 - Mathematics
1
519 - Probabilities & applied mathematics
1
600 - Technology
1
657 - Accounting
1
808 - Rhetoric & collections of literature
1
813 - American fiction in English
1