Classification
200 - Religion
700 - The arts; fine & decorative arts
14
900 - History & geography
14
320 - Political science
11
140 - Specific philosophical schools
10
100 - Philosophy & psychology
6
380 - Commerce, communications & transportation
6
363 - Other social problems & services
5
581 - Specific topics in natural history
5
600 - Technology
5
000 - Computer science, information & general works
4
297 - Islam, Babism & Bahai Faith
4
300 - Social sciences
4
301 - Sociology & anthropology
4
720 - Architecture
4
330 - Economics
3
370 - Education
3
400 - Language
3
610 - Medicine & health
3
170 - Ethics
2
333 - Economics of land & energy
2
340 - Law
2
361 - Social problems & social welfare in general
2
398 - Folklore
2
520 - Astronomy & allied sciences
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
770 - Photography, photographs & computer art
1
800 - Literature & rhetoric
1