Classification
330 - Economics
6
000 - Computer science, information & general works
5
600 - Technology
5
700 - The arts; fine & decorative arts
5
333 - Economics of land & energy
4
363 - Other social problems & services
4
658 - General management
4
610 - Medicine & health
3
140 - Specific philosophical schools
2
297 - Islam, Babism & Bahai Faith
2
320 - Political science
2
370 - Education
2
100 - Philosophy & psychology
1
200 - Religion
1
350 - Public administration & military science
1
380 - Commerce, communications & transportation
1
770 - Photography, photographs & computer art
1
780 - Music
1
800 - Literature & rhetoric
1