Classification
332 - Financial economics
330 - Economics
1,563
658 - General management
834
338 - Production
596
339 - Macroeconomics & related topics
258
000 - Computer science, information & general works
207
381 - Commerce
176
368 - Insurance
153
500 - Natural sciences & mathematics
108
300 - Social sciences
94
005 - Computer programming, programs & data
76
657 - Accounting
76
302 - Social interaction
66
670 - Manufacturing
64
158 - Applied psychology
52
331 - Labor economics
52
153 - Mental processes & intelligence
42
650 - Management & auxiliary services
37
620 - Engineering & allied operations
34
001 - Knowledge
31
519 - Probabilities & applied mathematics
29
510 - Mathematics
26
384 - Communications; telecommunication
20
336 - Public finance
17
004 - Data processing & computer science
15
006 - Special computer methods
15
011 - Bibliographies
15
800 - Literature & rhetoric
15
346 - Private law
10
304 - Factors affecting social behavior
8
333 - Economics of land & energy
8
352 - General considerations of public administration
8
791 - Public performances
8
170 - Ethics
7
374 - Adult education
6
745 - Decorative arts
6
303 - Social processes
5
343 - Military, tax, trade & industrial law
5
382 - International commerce
5
600 - Technology
5
659 - Advertising & public relations
5
306 - Culture & institutions
4
361 - Social problems & social welfare in general
4
380 - Commerce, communications & transportation
4
646 - Sewing, clothing & personal living
4
337 - International economics
3
362 - Social welfare problems & services
3
363 - Other social problems & services
3
364 - Criminology
3
345 - Criminal law
2
more ...