Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
2
330 - Economics
333 - Economics of land & energy
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
576 - Genetics & evolution
600 - Technology
657 - Accounting
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