Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
1
330 - Economics
333 - Economics of land & energy
1
363 - Other social problems & services
1
370 - Education
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
600 - Technology
1
657 - Accounting
1