Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
320 - Political science
363 - Other social problems & services
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
10
330 - Economics
6
600 - Technology
6
333 - Economics of land & energy
5
581 - Specific topics in natural history
4
610 - Medicine & health
4
304 - Factors affecting social behavior
3
370 - Education
3
551 - Geology, hydrology & meteorology
3
576 - Genetics & evolution
3
900 - History & geography
3
200 - Religion
2
361 - Social problems & social welfare in general
2
414 - Phonology & phonetics
2
720 - Architecture
2
301 - Sociology & anthropology
1
340 - Law
1
550 - Earth sciences
1
620 - Engineering & allied operations
1
657 - Accounting
1