Classification
140 - Specific philosophical schools
410 - Linguistics
370 - Education
3
700 - The arts; fine & decorative arts
3
380 - Commerce, communications & transportation
2
400 - Language
2
610 - Medicine & health
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
160 - Logic
1
170 - Ethics
1
304 - Factors affecting social behavior
1
320 - Political science
1
330 - Economics
1
363 - Other social problems & services
1
500 - Natural sciences & mathematics
1
600 - Technology
1
800 - Literature & rhetoric
1