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