Classification
170 - Ethics
200 - Religion
610 - Medicine & health
100 - Philosophy & psychology
6
140 - Specific philosophical schools
4
330 - Economics
4
700 - The arts; fine & decorative arts
4
333 - Economics of land & energy
3
320 - Political science
2
363 - Other social problems & services
2
370 - Education
2
380 - Commerce, communications & transportation
2
600 - Technology
2
658 - General management
2
900 - History & geography
2
000 - Computer science, information & general works
1
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
340 - Law
1
361 - Social problems & social welfare in general
1
551 - Geology, hydrology & meteorology
1