Classification
330 - Economics
1,670
657 - Accounting
335
658 - General management
182
332 - Financial economics
69
650 - Management & auxiliary services
46
320 - Political science
27
338 - Production
27
331 - Labor economics
22
300 - Social sciences
19
000 - Computer science, information & general works
16
333 - Economics of land & energy
16
336 - Public finance
15
363 - Other social problems & services
14
500 - Natural sciences & mathematics
13
900 - History & geography
13
340 - Law
12
600 - Technology
11
620 - Engineering & allied operations
11
700 - The arts; fine & decorative arts
11
005 - Computer programming, programs & data
10
346 - Private law
9
368 - Insurance
8
374 - Adult education
8
380 - Commerce, communications & transportation
8
781 - General principles & musical forms
8
004 - Data processing & computer science
7
302 - Social interaction
7
140 - Specific philosophical schools
6
339 - Macroeconomics & related topics
6
343 - Military, tax, trade & industrial law
6
610 - Medicine & health
6
670 - Manufacturing
6
174 - Occupational ethics
5
337 - International economics
4
370 - Education
4
624 - Civil engineering
4
792 - Stage presentations
4
352 - General considerations of public administration
3
361 - Social problems & social welfare in general
3
551 - Geology, hydrology & meteorology
3
580 - Plants (Botany)
3
006 - Special computer methods
2
100 - Philosophy & psychology
2
170 - Ethics
2
345 - Criminal law
2
381 - Commerce
2
384 - Communications; telecommunication
2
519 - Probabilities & applied mathematics
2
628 - Sanitary & municipal engineering
2
630 - Agriculture & related technologies
2
more ...