Classification
140 - Specific philosophical schools
400 - Language
700 - The arts; fine & decorative arts
900 - History & geography
800 - Literature & rhetoric
9
363 - Other social problems & services
8
000 - Computer science, information & general works
6
100 - Philosophy & psychology
6
410 - Linguistics
6
600 - Technology
6
620 - Engineering & allied operations
6
200 - Religion
5
320 - Political science
4
380 - Commerce, communications & transportation
4
720 - Architecture
4
780 - Music
4
301 - Sociology & anthropology
3
330 - Economics
3
333 - Economics of land & energy
3
370 - Education
3
581 - Specific topics in natural history
3
576 - Genetics & evolution
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
590 - Animals (Zoology)
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
770 - Photography, photographs & computer art
1
791 - Public performances
1