Classification
000 - Computer science, information & general works
2
100 - Philosophy & psychology
300 - Social sciences
320 - Political science
330 - Economics
2
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
2
530 - Physics
1
600 - Technology
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
700 - The arts; fine & decorative arts
2
720 - Architecture
1
770 - Photography, photographs & computer art
1
780 - Music
900 - History & geography
2