Classification
600 - Technology
612 - Human physiology
700 - The arts; fine & decorative arts
25
610 - Medicine & health
18
000 - Computer science, information & general works
16
620 - Engineering & allied operations
14
140 - Specific philosophical schools
11
580 - Plants (Botany)
11
363 - Other social problems & services
10
333 - Economics of land & energy
9
900 - History & geography
9
380 - Commerce, communications & transportation
8
540 - Chemistry & allied sciences
7
500 - Natural sciences & mathematics
6
630 - Agriculture & related technologies
6
581 - Specific topics in natural history
5
576 - Genetics & evolution
4
551 - Geology, hydrology & meteorology
3
414 - Phonology & phonetics
2
780 - Music
2
100 - Philosophy & psychology
1
305 - Social groups
1
320 - Political science
1
330 - Economics
1
340 - Law
1
350 - Public administration & military science
1
370 - Education
1
615 - Pharmacology & therapeutics
1
720 - Architecture
1