Classification
363 - Other social problems & services
576 - Genetics & evolution
620 - Engineering & allied operations
7
000 - Computer science, information & general works
6
333 - Economics of land & energy
5
700 - The arts; fine & decorative arts
5
140 - Specific philosophical schools
4
500 - Natural sciences & mathematics
4
580 - Plants (Botany)
4
300 - Social sciences
3
330 - Economics
3
380 - Commerce, communications & transportation
3
414 - Phonology & phonetics
3
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
3
581 - Specific topics in natural history
3
610 - Medicine & health
3
612 - Human physiology
3
600 - Technology
2
900 - History & geography
2
297 - Islam, Babism & Bahai Faith
1
370 - Education
1
720 - Architecture
1