Classification
300 - Social sciences
500 - Natural sciences & mathematics
330 - Economics
1,386
658 - General management
1,383
302 - Social interaction
1,378
670 - Manufacturing
1,377
338 - Production
270
381 - Commerce
214
331 - Labor economics
153
650 - Management & auxiliary services
99
384 - Communications; telecommunication
94
158 - Applied psychology
84
153 - Mental processes & intelligence
77
380 - Commerce, communications & transportation
60
332 - Financial economics
53
620 - Engineering & allied operations
45
745 - Decorative arts
32
368 - Insurance
27
001 - Knowledge
22
006 - Special computer methods
13
510 - Mathematics
13
659 - Advertising & public relations
11
808 - Rhetoric & collections of literature
8
170 - Ethics
7
519 - Probabilities & applied mathematics
7
005 - Computer programming, programs & data
6
150 - Psychology
6
304 - Factors affecting social behavior
6
374 - Adult education
6
152 - Perception, movement, emotions & drives
5
155 - Differential & developmental psychology
5
600 - Technology
5
000 - Computer science, information & general works
4
303 - Social processes
4
320 - Political science
4
333 - Economics of land & energy
3
370 - Education
3
004 - Data processing & computer science
2
100 - Philosophy & psychology
2
362 - Social welfare problems & services
2
630 - Agriculture & related technologies
2
657 - Accounting
2
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
336 - Public finance
1
340 - Law
1
350 - Public administration & military science
1
more ...