Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
320 - Political science
658 - General management
330 - Economics
3
333 - Economics of land & energy
3
610 - Medicine & health
3
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
700 - The arts; fine & decorative arts
2
100 - Philosophy & psychology
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
361 - Social problems & social welfare in general
1
370 - Education
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
600 - Technology
1
620 - Engineering & allied operations
1
650 - Management & auxiliary services
1
657 - Accounting
1
720 - Architecture
1
900 - History & geography
1