Classification
100 - Philosophy & psychology
200 - Religion
297 - Islam, Babism & Bahai Faith
900 - History & geography
21
320 - Political science
11
300 - Social sciences
10
000 - Computer science, information & general works
7
340 - Law
7
700 - The arts; fine & decorative arts
7
400 - Language
5
296 - Judaism
4
301 - Sociology & anthropology
4
530 - Physics
3
170 - Ethics
2
610 - Medicine & health
2
720 - Architecture
2
800 - Literature & rhetoric
2
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
370 - Education
1
410 - Linguistics
1
576 - Genetics & evolution
1
770 - Photography, photographs & computer art
1