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