Classification
700 - The arts; fine & decorative arts
320 - Political science
11
000 - Computer science, information & general works
7
330 - Economics
7
363 - Other social problems & services
7
333 - Economics of land & energy
6
900 - History & geography
6
140 - Specific philosophical schools
5
200 - Religion
5
340 - Law
5
380 - Commerce, communications & transportation
5
610 - Medicine & health
5
361 - Social problems & social welfare in general
4
600 - Technology
4
370 - Education
3
551 - Geology, hydrology & meteorology
3
581 - Specific topics in natural history
3
658 - General management
2
780 - Music
2
800 - Literature & rhetoric
2
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
360 - Social problems & services; associations
1
580 - Plants (Botany)
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
720 - Architecture
1