Classification
320 - Political science
330 - Economics
530 - Physics
610 - Medicine & health
000 - Computer science, information & general works
2
333 - Economics of land & energy
2
370 - Education
2
600 - Technology
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
100 - Philosophy & psychology
1
170 - Ethics
1
300 - Social sciences
1
581 - Specific topics in natural history
1
780 - Music
1