Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
3
363 - Other social problems & services
3
370 - Education
380 - Commerce, communications & transportation
600 - Technology
3
700 - The arts; fine & decorative arts
2
304 - Factors affecting social behavior
1
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
400 - Language
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
657 - Accounting
1
720 - Architecture
1
900 - History & geography
1