Classification
200 - Religion
320 - Political science
18
900 - History & geography
17
700 - The arts; fine & decorative arts
12
100 - Philosophy & psychology
9
140 - Specific philosophical schools
9
330 - Economics
7
170 - Ethics
6
301 - Sociology & anthropology
6
340 - Law
6
370 - Education
6
300 - Social sciences
5
297 - Islam, Babism & Bahai Faith
4
304 - Factors affecting social behavior
4
400 - Language
4
120 - Epistemology, causation & humankind
3
333 - Economics of land & energy
3
363 - Other social problems & services
3
380 - Commerce, communications & transportation
3
720 - Architecture
3
800 - Literature & rhetoric
3
000 - Computer science, information & general works
2
581 - Specific topics in natural history
2
600 - Technology
2
208 - Sources
1
236 - Eschatology
1
306 - Culture & institutions
1
410 - Linguistics
1
520 - Astronomy & allied sciences
1
576 - Genetics & evolution
1
610 - Medicine & health
1
620 - Engineering & allied operations
1