Classification
140 - Specific philosophical schools
576 - Genetics & evolution
000 - Computer science, information & general works
9
333 - Economics of land & energy
8
700 - The arts; fine & decorative arts
7
500 - Natural sciences & mathematics
6
610 - Medicine & health
6
363 - Other social problems & services
5
380 - Commerce, communications & transportation
5
551 - Geology, hydrology & meteorology
5
330 - Economics
4
580 - Plants (Botany)
4
581 - Specific topics in natural history
4
600 - Technology
4
620 - Engineering & allied operations
4
300 - Social sciences
3
414 - Phonology & phonetics
3
540 - Chemistry & allied sciences
3
612 - Human physiology
3
900 - History & geography
3
100 - Philosophy & psychology
2
170 - Ethics
2
320 - Political science
2
340 - Law
2
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
370 - Education
1
400 - Language
1
658 - General management
1