Classification
000 - Computer science, information & general works
2
140 - Specific philosophical schools
3
304 - Factors affecting social behavior
2
330 - Economics
3
333 - Economics of land & energy
4
363 - Other social problems & services
1
370 - Education
5
380 - Commerce, communications & transportation
3
400 - Language
410 - Linguistics
4
414 - Phonology & phonetics
1
530 - Physics
1
600 - Technology
610 - Medicine & health
2
700 - The arts; fine & decorative arts
3
800 - Literature & rhetoric
900 - History & geography
5