Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
320 - Political science
330 - Economics
1
333 - Economics of land & energy
363 - Other social problems & services
1
380 - Commerce, communications & transportation
576 - Genetics & evolution
1
600 - Technology
1
620 - Engineering & allied operations
1
657 - Accounting
1
700 - The arts; fine & decorative arts
1