Classification
340 - Law
57
658 - General management
51
330 - Economics
34
300 - Social sciences
31
320 - Political science
26
306 - Culture & institutions
25
621 - Applied physics
22
346 - Private law
19
900 - History & geography
16
620 - Engineering & allied operations
14
301 - Sociology & anthropology
10
370 - Education
10
302 - Social interaction
9
616 - Diseases
9
629 - Other branches of engineering
9
305 - Social groups
8
512 - Algebra
8
610 - Medicine & health
8
650 - Management & auxiliary services
8
004 - Data processing & computer science
7
200 - Religion
7
338 - Production
7
510 - Mathematics
7
700 - The arts; fine & decorative arts
7
003 - Systems
5
361 - Social problems & social welfare in general
5
519 - Probabilities & applied mathematics
5
332 - Financial economics
4
341 - Law of nations
4
363 - Other social problems & services
4
371 - Schools & their activities; special education
4
500 - Natural sciences & mathematics
4
780 - Music
4
140 - Specific philosophical schools
3
280 - Christian denominations & sects
3
327 - International relations
3
343 - Military, tax, trade & industrial law
3
362 - Social welfare problems & services
3
380 - Commerce, communications & transportation
3
830 - Literatures of Germanic languages
3
001 - Knowledge
2
005 - Computer programming, programs & data
2
006 - Special computer methods
2
158 - Applied psychology
2
210 - Philosophy & theory of religion
2
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
344 - Labor, social, education & cultural law
2
515 - Analysis
2
530 - Physics
2
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