Classification
380 - Commerce, communications & transportation
791 - Public performances
700 - The arts; fine & decorative arts
12
000 - Computer science, information & general works
9
333 - Economics of land & energy
8
330 - Economics
7
600 - Technology
6
320 - Political science
5
800 - Literature & rhetoric
5
100 - Philosophy & psychology
4
363 - Other social problems & services
4
658 - General management
4
900 - History & geography
4
300 - Social sciences
3
370 - Education
3
400 - Language
3
576 - Genetics & evolution
3
780 - Music
3
340 - Law
2
410 - Linguistics
2
581 - Specific topics in natural history
2
620 - Engineering & allied operations
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
200 - Religion
1
301 - Sociology & anthropology
1
551 - Geology, hydrology & meteorology
1
590 - Animals (Zoology)
1
612 - Human physiology
1