Classification
370 - Education
700 - The arts; fine & decorative arts
300 - Social sciences
8
100 - Philosophy & psychology
7
140 - Specific philosophical schools
6
900 - History & geography
6
320 - Political science
5
400 - Language
5
333 - Economics of land & energy
4
304 - Factors affecting social behavior
3
380 - Commerce, communications & transportation
3
780 - Music
3
000 - Computer science, information & general works
2
363 - Other social problems & services
2
410 - Linguistics
2
170 - Ethics
1
200 - Religion
1
330 - Economics
1
340 - Law
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
610 - Medicine & health
1
770 - Photography, photographs & computer art
1