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