Classification
330 - Economics
398
320 - Political science
271
363 - Other social problems & services
168
327 - International relations
130
300 - Social sciences
108
900 - History & geography
100
364 - Criminology
86
340 - Law
79
658 - General management
76
303 - Social processes
66
005 - Computer programming, programs & data
62
341 - Law of nations
53
820 - English & Old English literatures
49
306 - Culture & institutions
46
338 - Production
46
301 - Sociology & anthropology
44
355 - Military science
42
616 - Diseases
41
345 - Criminal law
39
500 - Natural sciences & mathematics
39
610 - Medicine & health
39
333 - Economics of land & energy
36
100 - Philosophy & psychology
35
700 - The arts; fine & decorative arts
35
200 - Religion
32
297 - Islam, Babism & Bahai Faith
31
621 - Applied physics
31
302 - Social interaction
30
140 - Specific philosophical schools
28
331 - Labor economics
26
006 - Special computer methods
25
305 - Social groups
24
800 - Literature & rhetoric
24
230 - Christianity & Christian theology
23
620 - Engineering & allied operations
22
004 - Data processing & computer science
21
000 - Computer science, information & general works
19
304 - Factors affecting social behavior
19
380 - Commerce, communications & transportation
19
370 - Education
17
155 - Differential & developmental psychology
16
323 - Civil & political rights
15
342 - Constitutional & administrative law
15
530 - Physics
15
600 - Technology
15
170 - Ethics
14
791 - Public performances
13
150 - Psychology
12
332 - Financial economics
12
670 - Manufacturing
11
more ...