Classification
320 - Political science
43
304 - Factors affecting social behavior
36
658 - General management
36
616 - Diseases
35
306 - Culture & institutions
26
005 - Computer programming, programs & data
22
364 - Criminology
21
370 - Education
20
340 - Law
19
610 - Medicine & health
18
333 - Economics of land & energy
17
341 - Law of nations
16
327 - International relations
15
338 - Production
15
004 - Data processing & computer science
14
305 - Social groups
14
330 - Economics
14
301 - Sociology & anthropology
13
551 - Geology, hydrology & meteorology
11
614 - Incidence & prevention of disease
11
332 - Financial economics
10
343 - Military, tax, trade & industrial law
10
363 - Other social problems & services
10
617 - Surgery & related medical specialties
10
371 - Schools & their activities; special education
9
613 - Personal health & safety
9
621 - Applied physics
9
361 - Social problems & social welfare in general
8
378 - Higher education
8
571 - Physiology & related subjects
8
006 - Special computer methods
7
620 - Engineering & allied operations
7
910 - Geography & travel
7
303 - Social processes
6
510 - Mathematics
6
577 - Ecology
6
300 - Social sciences
5
519 - Probabilities & applied mathematics
5
570 - Life sciences; biology
5
940 - History of Europe
5
337 - International economics
4
379 - Public policy issues in education
4
520 - Astronomy & allied sciences
4
550 - Earth sciences
4
660 - Chemical engineering
4
930 - History of ancient world to ca. 499
4
003 - Systems
3
342 - Constitutional & administrative law
3
344 - Labor, social, education & cultural law
3
351 - Public administration
3
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