Classification
320 - Political science
330 - Economics
340 - Law
700 - The arts; fine & decorative arts
333 - Economics of land & energy
11
300 - Social sciences
10
900 - History & geography
10
363 - Other social problems & services
9
000 - Computer science, information & general works
8
170 - Ethics
5
380 - Commerce, communications & transportation
5
140 - Specific philosophical schools
4
658 - General management
4
100 - Philosophy & psychology
3
301 - Sociology & anthropology
3
370 - Education
3
410 - Linguistics
3
400 - Language
2
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
610 - Medicine & health
2
630 - Agriculture & related technologies
2
791 - Public performances
2
160 - Logic
1
200 - Religion
1
304 - Factors affecting social behavior
1
337 - International economics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
581 - Specific topics in natural history
1
600 - Technology
1
620 - Engineering & allied operations
1
770 - Photography, photographs & computer art
1
780 - Music
1
800 - Literature & rhetoric
1