Classification
100 - Philosophy & psychology
300 - Social sciences
320 - Political science
340 - Law
900 - History & geography
200 - Religion
5
301 - Sociology & anthropology
5
330 - Economics
5
370 - Education
4
140 - Specific philosophical schools
3
600 - Technology
3
170 - Ethics
2
297 - Islam, Babism & Bahai Faith
2
400 - Language
2
620 - Engineering & allied operations
2
658 - General management
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
610 - Medicine & health
1
770 - Photography, photographs & computer art
1
780 - Music
1