Classification
330 - Economics
384
340 - Law
349
320 - Political science
342
364 - Criminology
202
363 - Other social problems & services
113
900 - History & geography
94
300 - Social sciences
83
306 - Culture & institutions
59
301 - Sociology & anthropology
55
658 - General management
52
360 - Social problems & services; associations
49
610 - Medicine & health
47
005 - Computer programming, programs & data
46
820 - English & Old English literatures
40
004 - Data processing & computer science
36
304 - Factors affecting social behavior
35
006 - Special computer methods
34
333 - Economics of land & energy
31
370 - Education
28
380 - Commerce, communications & transportation
28
500 - Natural sciences & mathematics
27
700 - The arts; fine & decorative arts
27
150 - Psychology
25
331 - Labor economics
24
345 - Criminal law
23
614 - Incidence & prevention of disease
21
616 - Diseases
21
305 - Social groups
20
338 - Production
20
341 - Law of nations
20
302 - Social interaction
19
303 - Social processes
19
600 - Technology
19
327 - International relations
18
355 - Military science
18
361 - Social problems & social welfare in general
18
621 - Applied physics
18
100 - Philosophy & psychology
16
342 - Constitutional & administrative law
16
620 - Engineering & allied operations
16
140 - Specific philosophical schools
13
000 - Computer science, information & general works
12
384 - Communications; telecommunication
12
630 - Agriculture & related technologies
12
170 - Ethics
11
344 - Labor, social, education & cultural law
11
576 - Genetics & evolution
11
670 - Manufacturing
10
307 - Communities
9
362 - Social welfare problems & services
9
more ...