Classification
140 - Specific philosophical schools
400 - Language
700 - The arts; fine & decorative arts
900 - History & geography
363 - Other social problems & services
7
000 - Computer science, information & general works
6
600 - Technology
6
620 - Engineering & allied operations
6
800 - Literature & rhetoric
5
380 - Commerce, communications & transportation
4
720 - Architecture
4
100 - Philosophy & psychology
3
200 - Religion
3
301 - Sociology & anthropology
3
370 - Education
3
410 - Linguistics
3
581 - Specific topics in natural history
3
320 - Political science
2
330 - Economics
2
333 - Economics of land & energy
2
780 - Music
2
540 - Chemistry & allied sciences
1
590 - Animals (Zoology)
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
791 - Public performances
1