Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
5
120 - Epistemology, causation & humankind
4
170 - Ethics
3
140 - Specific philosophical schools
2
158 - Applied psychology
2
200 - Religion
2
300 - Social sciences
2
320 - Political science
2
330 - Economics
2
333 - Economics of land & energy
2
400 - Language
2
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2
900 - History & geography
2
155 - Differential & developmental psychology
1
301 - Sociology & anthropology
1
338 - Production
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
600 - Technology
1
650 - Management & auxiliary services
1
658 - General management
1