Classification
610 - Medicine & health
198
700 - The arts; fine & decorative arts
104
000 - Computer science, information & general works
41
333 - Economics of land & energy
38
140 - Specific philosophical schools
35
580 - Plants (Botany)
31
380 - Commerce, communications & transportation
21
540 - Chemistry & allied sciences
19
600 - Technology
18
330 - Economics
17
612 - Human physiology
16
363 - Other social problems & services
15
615 - Pharmacology & therapeutics
13
620 - Engineering & allied operations
11
900 - History & geography
9
370 - Education
7
304 - Factors affecting social behavior
6
500 - Natural sciences & mathematics
5
576 - Genetics & evolution
5
100 - Philosophy & psychology
4
340 - Law
4
414 - Phonology & phonetics
4
630 - Agriculture & related technologies
4
320 - Political science
3
551 - Geology, hydrology & meteorology
3
658 - General management
3
170 - Ethics
2
581 - Specific topics in natural history
2
800 - Literature & rhetoric
2
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
550 - Earth sciences
1
720 - Architecture
1
791 - Public performances
1