Classification
000 - Computer science, information & general works
4
100 - Philosophy & psychology
10
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
4
170 - Ethics
2
200 - Religion
3
300 - Social sciences
301 - Sociology & anthropology
5
304 - Factors affecting social behavior
4
320 - Political science
330 - Economics
333 - Economics of land & energy
6
340 - Law
3
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
4
364 - Criminology
1
370 - Education
4
380 - Commerce, communications & transportation
2
400 - Language
4
410 - Linguistics
5
530 - Physics
1
576 - Genetics & evolution
2
581 - Specific topics in natural history
1
600 - Technology
7
610 - Medicine & health
2
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
1
657 - Accounting
1
658 - General management
1
700 - The arts; fine & decorative arts
5
720 - Architecture
2
770 - Photography, photographs & computer art
3
780 - Music
4
800 - Literature & rhetoric
2
900 - History & geography