Classification
700 - The arts; fine & decorative arts
140 - Specific philosophical schools
10
320 - Political science
9
900 - History & geography
7
304 - Factors affecting social behavior
6
610 - Medicine & health
6
330 - Economics
5
370 - Education
4
100 - Philosophy & psychology
3
200 - Religion
3
333 - Economics of land & energy
3
576 - Genetics & evolution
3
600 - Technology
3
630 - Agriculture & related technologies
3
000 - Computer science, information & general works
2
340 - Law
2
361 - Social problems & social welfare in general
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
620 - Engineering & allied operations
2
780 - Music
2
800 - Literature & rhetoric
2
170 - Ethics
1
300 - Social sciences
1
301 - Sociology & anthropology
1
410 - Linguistics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
658 - General management
1
770 - Photography, photographs & computer art
1