Classification
000 - Computer science, information & general works
330 - Economics
2
333 - Economics of land & energy
2
370 - Education
2
600 - Technology
2
657 - Accounting
140 - Specific philosophical schools
1
170 - Ethics
1
350 - Public administration & military science
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1