Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
320 - Political science
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
12
363 - Other social problems & services
11
330 - Economics
9
333 - Economics of land & energy
6
551 - Geology, hydrology & meteorology
6
600 - Technology
6
370 - Education
5
610 - Medicine & health
5
576 - Genetics & evolution
4
581 - Specific topics in natural history
4
304 - Factors affecting social behavior
3
414 - Phonology & phonetics
3
200 - Religion
2
301 - Sociology & anthropology
2
340 - Law
2
361 - Social problems & social welfare in general
2
720 - Architecture
2
900 - History & geography
2
297 - Islam, Babism & Bahai Faith
1
360 - Social problems & services; associations
1
400 - Language
1
540 - Chemistry & allied sciences
1
550 - Earth sciences
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
657 - Accounting
1
658 - General management
1