Classification
330 - Economics
370 - Education
380 - Commerce, communications & transportation
363 - Other social problems & services
14
700 - The arts; fine & decorative arts
14
333 - Economics of land & energy
11
600 - Technology
11
320 - Political science
9
610 - Medicine & health
9
900 - History & geography
9
000 - Computer science, information & general works
7
140 - Specific philosophical schools
7
551 - Geology, hydrology & meteorology
5
658 - General management
5
720 - Architecture
5
300 - Social sciences
4
620 - Engineering & allied operations
4
200 - Religion
3
297 - Islam, Babism & Bahai Faith
2
304 - Factors affecting social behavior
2
340 - Law
2
400 - Language
2
414 - Phonology & phonetics
2
581 - Specific topics in natural history
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
301 - Sociology & anthropology
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
630 - Agriculture & related technologies
1