Classification
300 - Social sciences
301 - Sociology & anthropology
320 - Political science
182
900 - History & geography
160
100 - Philosophy & psychology
100
330 - Economics
88
700 - The arts; fine & decorative arts
88
200 - Religion
76
304 - Factors affecting social behavior
69
610 - Medicine & health
62
140 - Specific philosophical schools
60
600 - Technology
52
363 - Other social problems & services
50
370 - Education
44
340 - Law
43
333 - Economics of land & energy
35
000 - Computer science, information & general works
32
380 - Commerce, communications & transportation
31
400 - Language
24
297 - Islam, Babism & Bahai Faith
21
410 - Linguistics
19
361 - Social problems & social welfare in general
17
576 - Genetics & evolution
17
620 - Engineering & allied operations
17
630 - Agriculture & related technologies
17
170 - Ethics
16
350 - Public administration & military science
16
720 - Architecture
16
800 - Literature & rhetoric
15
500 - Natural sciences & mathematics
11
581 - Specific topics in natural history
11
364 - Criminology
10
780 - Music
9
398 - Folklore
8
360 - Social problems & services; associations
7
120 - Epistemology, causation & humankind
6
530 - Physics
5
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
3
160 - Logic
1
302 - Social interaction
1
332 - Financial economics
1
336 - Public finance
1
657 - Accounting
1
658 - General management
1
770 - Photography, photographs & computer art
1
791 - Public performances
1
920 - Biography, genealogy & insignia
1