Classification
000 - Computer science, information & general works
610 - Medicine & health
600 - Technology
4
140 - Specific philosophical schools
2
320 - Political science
2
330 - Economics
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
300 - Social sciences
1
363 - Other social problems & services
1
400 - Language
1
410 - Linguistics
1
780 - Music
1