Classification
610 - Medicine & health
000 - Computer science, information & general works
44
580 - Plants (Botany)
44
700 - The arts; fine & decorative arts
38
600 - Technology
26
333 - Economics of land & energy
25
630 - Agriculture & related technologies
24
620 - Engineering & allied operations
23
140 - Specific philosophical schools
17
363 - Other social problems & services
17
551 - Geology, hydrology & meteorology
14
380 - Commerce, communications & transportation
12
330 - Economics
11
900 - History & geography
11
581 - Specific topics in natural history
9
576 - Genetics & evolution
8
540 - Chemistry & allied sciences
7
414 - Phonology & phonetics
5
500 - Natural sciences & mathematics
5
612 - Human physiology
4
800 - Literature & rhetoric
4
300 - Social sciences
3
340 - Law
3
615 - Pharmacology & therapeutics
3
658 - General management
3
720 - Architecture
3
100 - Philosophy & psychology
2
304 - Factors affecting social behavior
2
297 - Islam, Babism & Bahai Faith
1
320 - Political science
1
370 - Education
1
530 - Physics
1