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