Classification
100 - Philosophy & psychology
380 - Commerce, communications & transportation
400 - Language
700 - The arts; fine & decorative arts
9
000 - Computer science, information & general works
7
320 - Political science
7
370 - Education
7
140 - Specific philosophical schools
6
410 - Linguistics
6
900 - History & geography
6
300 - Social sciences
5
330 - Economics
4
333 - Economics of land & energy
4
600 - Technology
4
620 - Engineering & allied operations
4
780 - Music
4
301 - Sociology & anthropology
3
500 - Natural sciences & mathematics
3
200 - Religion
2
340 - Law
2
581 - Specific topics in natural history
2
800 - Literature & rhetoric
2
170 - Ethics
1
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
363 - Other social problems & services
1
398 - Folklore
1
414 - Phonology & phonetics
1
530 - Physics
1
576 - Genetics & evolution
1
590 - Animals (Zoology)
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
658 - General management
1
791 - Public performances
1