Classification
140 - Specific philosophical schools
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
14
330 - Economics
14
333 - Economics of land & energy
13
600 - Technology
11
320 - Political science
10
610 - Medicine & health
9
363 - Other social problems & services
6
380 - Commerce, communications & transportation
6
370 - Education
5
620 - Engineering & allied operations
5
900 - History & geography
5
551 - Geology, hydrology & meteorology
4
630 - Agriculture & related technologies
4
300 - Social sciences
3
400 - Language
3
581 - Specific topics in natural history
3
170 - Ethics
2
200 - Religion
2
340 - Law
2
500 - Natural sciences & mathematics
2
657 - Accounting
2
658 - General management
2
720 - Architecture
2
100 - Philosophy & psychology
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
410 - Linguistics
1
576 - Genetics & evolution
1
770 - Photography, photographs & computer art
1
800 - Literature & rhetoric
1