Classification
330 - Economics
650 - Management & auxiliary services
658 - General management
1,186
158 - Applied psychology
981
338 - Production
348
302 - Social interaction
338
153 - Mental processes & intelligence
332
331 - Labor economics
319
300 - Social sciences
300
381 - Commerce
173
670 - Manufacturing
145
500 - Natural sciences & mathematics
129
384 - Communications; telecommunication
105
000 - Computer science, information & general works
70
380 - Commerce, communications & transportation
60
150 - Psychology
53
170 - Ethics
48
332 - Financial economics
35
006 - Special computer methods
32
001 - Knowledge
29
800 - Literature & rhetoric
24
155 - Differential & developmental psychology
21
174 - Occupational ethics
20
005 - Computer programming, programs & data
18
620 - Engineering & allied operations
15
745 - Decorative arts
12
152 - Perception, movement, emotions & drives
10
659 - Advertising & public relations
10
011 - Bibliographies
9
303 - Social processes
9
510 - Mathematics
9
339 - Macroeconomics & related topics
8
004 - Data processing & computer science
6
304 - Factors affecting social behavior
5
333 - Economics of land & energy
5
657 - Accounting
5
808 - Rhetoric & collections of literature
5
320 - Political science
4
600 - Technology
4
374 - Adult education
3
395 - Etiquette (Manners)
3
610 - Medicine & health
3
651 - Office services
3
352 - General considerations of public administration
2
368 - Insurance
2
639 - Hunting, fishing & conservation
2
700 - The arts; fine & decorative arts
2
740 - Drawing & decorative arts
2
179 - Other ethical norms
1
253 - Pastoral office & work
1
more ...