Classification
000 - Computer science, information & general works
363 - Other social problems & services
380 - Commerce, communications & transportation
581 - Specific topics in natural history
700 - The arts; fine & decorative arts
140 - Specific philosophical schools
8
333 - Economics of land & energy
6
320 - Political science
5
300 - Social sciences
4
414 - Phonology & phonetics
4
551 - Geology, hydrology & meteorology
4
576 - Genetics & evolution
4
610 - Medicine & health
4
900 - History & geography
4
330 - Economics
3
500 - Natural sciences & mathematics
3
540 - Chemistry & allied sciences
3
580 - Plants (Botany)
3
612 - Human physiology
3
620 - Engineering & allied operations
3
200 - Religion
2
301 - Sociology & anthropology
2
361 - Social problems & social welfare in general
2
600 - Technology
2
100 - Philosophy & psychology
1
304 - Factors affecting social behavior
1
370 - Education
1
400 - Language
1
590 - Animals (Zoology)
1
780 - Music
1
791 - Public performances
1
800 - Literature & rhetoric
1