Classification
000 - Computer science, information & general works
320 - Political science
330 - Economics
363 - Other social problems & services
380 - Commerce, communications & transportation
333 - Economics of land & energy
15
700 - The arts; fine & decorative arts
14
140 - Specific philosophical schools
7
551 - Geology, hydrology & meteorology
7
576 - Genetics & evolution
5
370 - Education
4
600 - Technology
4
610 - Medicine & health
4
900 - History & geography
4
581 - Specific topics in natural history
3
630 - Agriculture & related technologies
3
720 - Architecture
3
304 - Factors affecting social behavior
2
340 - Law
2
414 - Phonology & phonetics
2
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
410 - Linguistics
1
550 - Earth sciences
1
620 - Engineering & allied operations
1
657 - Accounting
1
800 - Literature & rhetoric
1