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