Classification
380 - Commerce, communications & transportation
410 - Linguistics
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
9
400 - Language
9
140 - Specific philosophical schools
5
300 - Social sciences
4
320 - Political science
4
330 - Economics
4
333 - Economics of land & energy
4
370 - Education
4
500 - Natural sciences & mathematics
4
610 - Medicine & health
4
900 - History & geography
4
100 - Philosophy & psychology
3
363 - Other social problems & services
3
576 - Genetics & evolution
3
600 - Technology
3
620 - Engineering & allied operations
3
340 - Law
2
800 - Literature & rhetoric
2
160 - Logic
1
170 - Ethics
1
200 - Religion
1
414 - Phonology & phonetics
1
630 - Agriculture & related technologies
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
780 - Music
1