Classification
140 - Specific philosophical schools
2
320 - Political science
340 - Law
580 - Plants (Botany)
700 - The arts; fine & decorative arts
170 - Ethics
1
363 - Other social problems & services
1
576 - Genetics & evolution
1
600 - Technology
1
620 - Engineering & allied operations
1
658 - General management
1
900 - History & geography
1