Classification
320 - Political science
700 - The arts; fine & decorative arts
780 - Music
900 - History & geography
15
330 - Economics
11
100 - Philosophy & psychology
6
300 - Social sciences
6
370 - Education
6
333 - Economics of land & energy
5
410 - Linguistics
5
400 - Language
4
600 - Technology
4
770 - Photography, photographs & computer art
4
000 - Computer science, information & general works
3
200 - Religion
3
301 - Sociology & anthropology
3
380 - Commerce, communications & transportation
3
620 - Engineering & allied operations
3
800 - Literature & rhetoric
3
140 - Specific philosophical schools
2
610 - Medicine & health
2
630 - Agriculture & related technologies
2
720 - Architecture
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
340 - Law
1
363 - Other social problems & services
1
398 - Folklore
1
530 - Physics
1
581 - Specific topics in natural history
1
658 - General management
1