Classification
600 - Technology
610 - Medicine & health
235
700 - The arts; fine & decorative arts
81
620 - Engineering & allied operations
62
900 - History & geography
48
580 - Plants (Botany)
43
000 - Computer science, information & general works
42
333 - Economics of land & energy
38
140 - Specific philosophical schools
37
363 - Other social problems & services
27
300 - Social sciences
24
380 - Commerce, communications & transportation
23
330 - Economics
22
320 - Political science
20
170 - Ethics
18
630 - Agriculture & related technologies
17
100 - Philosophy & psychology
15
615 - Pharmacology & therapeutics
15
370 - Education
14
500 - Natural sciences & mathematics
13
540 - Chemistry & allied sciences
13
612 - Human physiology
10
576 - Genetics & evolution
9
530 - Physics
8
304 - Factors affecting social behavior
7
340 - Law
7
414 - Phonology & phonetics
7
800 - Literature & rhetoric
6
301 - Sociology & anthropology
5
658 - General management
5
400 - Language
4
581 - Specific topics in natural history
4
336 - Public finance
2
361 - Social problems & social welfare in general
2
551 - Geology, hydrology & meteorology
2
120 - Epistemology, causation & humankind
1
350 - Public administration & military science
1
590 - Animals (Zoology)
1
720 - Architecture
1
780 - Music
1