Classification
140 - Specific philosophical schools
300 - Social sciences
700 - The arts; fine & decorative arts
720 - Architecture
333 - Economics of land & energy
5
800 - Literature & rhetoric
5
900 - History & geography
5
301 - Sociology & anthropology
4
340 - Law
4
363 - Other social problems & services
4
380 - Commerce, communications & transportation
4
620 - Engineering & allied operations
4
610 - Medicine & health
3
170 - Ethics
2
320 - Political science
2
410 - Linguistics
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
600 - Technology
2
630 - Agriculture & related technologies
2
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
330 - Economics
1
370 - Education
1