Classification
140 - Specific philosophical schools
370 - Education
380 - Commerce, communications & transportation
658 - General management
000 - Computer science, information & general works
4
610 - Medicine & health
4
363 - Other social problems & services
3
576 - Genetics & evolution
3
700 - The arts; fine & decorative arts
3
330 - Economics
2
551 - Geology, hydrology & meteorology
2
900 - History & geography
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
320 - Political science
1
333 - Economics of land & energy
1
400 - Language
1
410 - Linguistics
1
530 - Physics
1
580 - Plants (Botany)
1
600 - Technology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1