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