Classification
000 - Computer science, information & general works
1
170 - Ethics
1
200 - Religion
1
320 - Political science
1
330 - Economics
2
333 - Economics of land & energy
2
361 - Social problems & social welfare in general
363 - Other social problems & services
1
380 - Commerce, communications & transportation
2
400 - Language
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
2