Classification
340 - Law
600 - Technology
610 - Medicine & health
7
700 - The arts; fine & decorative arts
5
140 - Specific philosophical schools
3
000 - Computer science, information & general works
2
300 - Social sciences
2
363 - Other social problems & services
2
900 - History & geography
2
100 - Philosophy & psychology
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
320 - Political science
1
330 - Economics
1
370 - Education
1
380 - Commerce, communications & transportation
1
540 - Chemistry & allied sciences
1
800 - Literature & rhetoric
1