Classification
780 - Music
700 - The arts; fine & decorative arts
42
900 - History & geography
33
300 - Social sciences
25
100 - Philosophy & psychology
18
000 - Computer science, information & general works
15
600 - Technology
14
140 - Specific philosophical schools
11
370 - Education
11
500 - Natural sciences & mathematics
10
320 - Political science
9
330 - Economics
9
400 - Language
9
800 - Literature & rhetoric
9
301 - Sociology & anthropology
8
380 - Commerce, communications & transportation
8
620 - Engineering & allied operations
8
410 - Linguistics
7
200 - Religion
6
304 - Factors affecting social behavior
4
610 - Medicine & health
4
630 - Agriculture & related technologies
4
720 - Architecture
4
363 - Other social problems & services
3
576 - Genetics & evolution
3
612 - Human physiology
3
658 - General management
3
770 - Photography, photographs & computer art
3
333 - Economics of land & energy
2
340 - Law
2
530 - Physics
2
297 - Islam, Babism & Bahai Faith
1
361 - Social problems & social welfare in general
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
590 - Animals (Zoology)
1
791 - Public performances
1