Classification
610 - Medicine & health
106
700 - The arts; fine & decorative arts
85
000 - Computer science, information & general works
69
333 - Economics of land & energy
56
580 - Plants (Botany)
54
600 - Technology
42
140 - Specific philosophical schools
34
540 - Chemistry & allied sciences
30
620 - Engineering & allied operations
27
363 - Other social problems & services
26
380 - Commerce, communications & transportation
23
612 - Human physiology
23
576 - Genetics & evolution
16
900 - History & geography
16
581 - Specific topics in natural history
15
630 - Agriculture & related technologies
14
414 - Phonology & phonetics
13
551 - Geology, hydrology & meteorology
11
615 - Pharmacology & therapeutics
10
500 - Natural sciences & mathematics
8
570 - Life sciences; biology
8
304 - Factors affecting social behavior
6
330 - Economics
6
616 - Diseases
4
300 - Social sciences
3
547 - Organic chemistry
3
720 - Architecture
3
800 - Literature & rhetoric
2
320 - Political science
1
340 - Law
1
530 - Physics
1
590 - Animals (Zoology)
1
613 - Personal health & safety
1
658 - General management
1
676 - Pulp & paper technology
1