Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
320 - Political science
330 - Economics
2
333 - Economics of land & energy
2
363 - Other social problems & services
600 - Technology
2
620 - Engineering & allied operations
700 - The arts; fine & decorative arts
361 - Social problems & social welfare in general
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
610 - Medicine & health
1
657 - Accounting
1