Classification
340 - Law
200 - Religion
63
900 - History & geography
30
320 - Political science
26
100 - Philosophy & psychology
21
300 - Social sciences
16
330 - Economics
14
297 - Islam, Babism & Bahai Faith
13
700 - The arts; fine & decorative arts
11
140 - Specific philosophical schools
10
301 - Sociology & anthropology
10
170 - Ethics
9
370 - Education
9
000 - Computer science, information & general works
7
800 - Literature & rhetoric
6
380 - Commerce, communications & transportation
5
400 - Language
5
120 - Epistemology, causation & humankind
4
304 - Factors affecting social behavior
4
363 - Other social problems & services
4
410 - Linguistics
4
600 - Technology
4
333 - Economics of land & energy
3
361 - Social problems & social welfare in general
3
364 - Criminology
3
610 - Medicine & health
3
620 - Engineering & allied operations
3
360 - Social problems & services; associations
2
576 - Genetics & evolution
2
720 - Architecture
2
160 - Logic
1
201 - Religious mythology & social theology
1
296 - Judaism
1
530 - Physics
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1