Classification
658 - General management
44
300 - Social sciences
29
340 - Law
21
320 - Political science
17
306 - Culture & institutions
16
650 - Management & auxiliary services
16
330 - Economics
15
301 - Sociology & anthropology
14
620 - Engineering & allied operations
12
158 - Applied psychology
11
305 - Social groups
10
621 - Applied physics
10
150 - Psychology
9
370 - Education
9
004 - Data processing & computer science
8
519 - Probabilities & applied mathematics
8
900 - History & geography
8
302 - Social interaction
7
346 - Private law
6
616 - Diseases
6
005 - Computer programming, programs & data
5
200 - Religion
5
347 - Civil procedure & courts
5
791 - Public performances
5
006 - Special computer methods
4
070 - News media, journalism & publishing
4
100 - Philosophy & psychology
4
333 - Economics of land & energy
4
338 - Production
4
610 - Medicine & health
4
617 - Surgery & related medical specialties
4
629 - Other branches of engineering
4
700 - The arts; fine & decorative arts
4
800 - Literature & rhetoric
4
170 - Ethics
3
304 - Factors affecting social behavior
3
361 - Social problems & social welfare in general
3
410 - Linguistics
3
515 - Analysis
3
001 - Knowledge
2
140 - Specific philosophical schools
2
345 - Criminal law
2
378 - Higher education
2
500 - Natural sciences & mathematics
2
581 - Specific topics in natural history
2
613 - Personal health & safety
2
614 - Incidence & prevention of disease
2
780 - Music
2
830 - Literatures of Germanic languages
2
000 - Computer science, information & general works
1
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