Classification
000 - Computer science, information & general works
300 - Social sciences
330 - Economics
800 - Literature & rhetoric
380 - Commerce, communications & transportation
3
900 - History & geography
3
100 - Philosophy & psychology
2
320 - Political science
2
400 - Language
2
410 - Linguistics
2
120 - Epistemology, causation & humankind
1
158 - Applied psychology
1
170 - Ethics
1
200 - Religion
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
338 - Production
1
363 - Other social problems & services
1
650 - Management & auxiliary services
1
658 - General management
1
700 - The arts; fine & decorative arts
1