Classification
100 - Philosophy & psychology
140 - Specific philosophical schools
330 - Economics
320 - Political science
3
300 - Social sciences
2
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
370 - Education
2
610 - Medicine & health
2
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2
000 - Computer science, information & general works
1
170 - Ethics
1
200 - Religion
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
600 - Technology
1
770 - Photography, photographs & computer art
1
900 - History & geography
1