Classification
330 - Economics
380 - Commerce, communications & transportation
780 - Music
600 - Technology
6
100 - Philosophy & psychology
4
300 - Social sciences
4
700 - The arts; fine & decorative arts
4
900 - History & geography
4
000 - Computer science, information & general works
3
320 - Political science
3
370 - Education
3
400 - Language
3
620 - Engineering & allied operations
3
340 - Law
2
410 - Linguistics
2
610 - Medicine & health
1
630 - Agriculture & related technologies
1
658 - General management
1
770 - Photography, photographs & computer art
1