Classification
140 - Specific philosophical schools
700 - The arts; fine & decorative arts
900 - History & geography
320 - Political science
7
200 - Religion
5
100 - Philosophy & psychology
4
363 - Other social problems & services
4
380 - Commerce, communications & transportation
4
610 - Medicine & health
4
333 - Economics of land & energy
3
340 - Law
3
800 - Literature & rhetoric
3
301 - Sociology & anthropology
2
330 - Economics
2
400 - Language
2
410 - Linguistics
2
520 - Astronomy & allied sciences
2
581 - Specific topics in natural history
2
780 - Music
2
000 - Computer science, information & general works
1
170 - Ethics
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
360 - Social problems & services; associations
1
370 - Education
1
550 - Earth sciences
1
600 - Technology
1
612 - Human physiology
1
620 - Engineering & allied operations
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
791 - Public performances
1