Classification
320 - Political science
8
380 - Commerce, communications & transportation
900 - History & geography
7
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
300 - Social sciences
3
100 - Philosophy & psychology
2
330 - Economics
2
410 - Linguistics
2
120 - Epistemology, causation & humankind
1
170 - Ethics
1
370 - Education
1
400 - Language
1
600 - Technology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
780 - Music
1