Classification
610 - Medicine & health
500 - Natural sciences & mathematics
184
615 - Pharmacology & therapeutics
25
612 - Human physiology
20
700 - The arts; fine & decorative arts
16
100 - Philosophy & psychology
15
576 - Genetics & evolution
14
600 - Technology
13
140 - Specific philosophical schools
8
333 - Economics of land & energy
8
580 - Plants (Botany)
8
363 - Other social problems & services
7
380 - Commerce, communications & transportation
6
900 - History & geography
6
000 - Computer science, information & general works
5
300 - Social sciences
4
370 - Education
4
581 - Specific topics in natural history
4
620 - Engineering & allied operations
4
800 - Literature & rhetoric
4
170 - Ethics
3
551 - Geology, hydrology & meteorology
3
297 - Islam, Babism & Bahai Faith
2
330 - Economics
2
630 - Agriculture & related technologies
2
174 - Occupational ethics
1
301 - Sociology & anthropology
1
320 - Political science
1
340 - Law
1
361 - Social problems & social welfare in general
1
540 - Chemistry & allied sciences
1
780 - Music
1