Classification
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
900 - History & geography
140 - Specific philosophical schools
4
200 - Religion
2
300 - Social sciences
2
320 - Political science
2
330 - Economics
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
304 - Factors affecting social behavior
1
410 - Linguistics
1
576 - Genetics & evolution
1
600 - Technology
1
630 - Agriculture & related technologies
1
720 - Architecture
1
780 - Music
1
791 - Public performances
1