Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
200 - Religion
300 - Social sciences
301 - Sociology & anthropology
320 - Political science
700 - The arts; fine & decorative arts
3
333 - Economics of land & energy
2
363 - Other social problems & services
2
900 - History & geography
2
120 - Epistemology, causation & humankind
1
170 - Ethics
1
330 - Economics
1
340 - Law
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
400 - Language
1
410 - Linguistics
1
600 - Technology
1
610 - Medicine & health
1
800 - Literature & rhetoric
1