Classification
400 - Language
581 - Specific topics in natural history
363 - Other social problems & services
6
700 - The arts; fine & decorative arts
6
140 - Specific philosophical schools
5
380 - Commerce, communications & transportation
4
900 - History & geography
4
000 - Computer science, information & general works
3
100 - Philosophy & psychology
3
301 - Sociology & anthropology
3
320 - Political science
3
333 - Economics of land & energy
3
600 - Technology
2
720 - Architecture
2
800 - Literature & rhetoric
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
370 - Education
1
410 - Linguistics
1
414 - Phonology & phonetics
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
590 - Animals (Zoology)
1
620 - Engineering & allied operations
1
780 - Music
1
791 - Public performances
1