Classification
363 - Other social problems & services
576 - Genetics & evolution
700 - The arts; fine & decorative arts
900 - History & geography
600 - Technology
20
620 - Engineering & allied operations
20
333 - Economics of land & energy
11
380 - Commerce, communications & transportation
11
000 - Computer science, information & general works
9
140 - Specific philosophical schools
8
720 - Architecture
8
580 - Plants (Botany)
6
320 - Political science
5
340 - Law
5
500 - Natural sciences & mathematics
5
300 - Social sciences
3
330 - Economics
3
414 - Phonology & phonetics
3
551 - Geology, hydrology & meteorology
3
610 - Medicine & health
3
800 - Literature & rhetoric
3
170 - Ethics
2
530 - Physics
2
581 - Specific topics in natural history
2
630 - Agriculture & related technologies
2
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
370 - Education
1
400 - Language
1
650 - Management & auxiliary services
1
658 - General management
1
770 - Photography, photographs & computer art
1
780 - Music
1