Classification
610 - Medicine & health
290
700 - The arts; fine & decorative arts
180
000 - Computer science, information & general works
163
333 - Economics of land & energy
110
580 - Plants (Botany)
110
140 - Specific philosophical schools
87
363 - Other social problems & services
79
570 - Life sciences; biology
76
600 - Technology
71
540 - Chemistry & allied sciences
60
576 - Genetics & evolution
60
380 - Commerce, communications & transportation
51
620 - Engineering & allied operations
50
500 - Natural sciences & mathematics
32
612 - Human physiology
29
581 - Specific topics in natural history
26
615 - Pharmacology & therapeutics
23
900 - History & geography
17
304 - Factors affecting social behavior
16
330 - Economics
16
414 - Phonology & phonetics
16
551 - Geology, hydrology & meteorology
15
572 - Biochemistry
13
630 - Agriculture & related technologies
10
100 - Philosophy & psychology
8
720 - Architecture
8
530 - Physics
6
800 - Literature & rhetoric
6
400 - Language
5
658 - General management
4
120 - Epistemology, causation & humankind
3
170 - Ethics
3
200 - Religion
3
300 - Social sciences
3
370 - Education
3
547 - Organic chemistry
3
616 - Diseases
3
320 - Political science
2
340 - Law
2
361 - Social problems & social welfare in general
2
590 - Animals (Zoology)
2
160 - Logic
1
410 - Linguistics
1
546 - Inorganic chemistry
1
571 - Physiology & related subjects
1
574 - [Unassigned]
1
591 - Specific topics in natural history
1
632 - Plant injuries, diseases & pests
1
650 - Management & auxiliary services
1
920 - Biography, genealogy & insignia
1