Classification
610 - Medicine & health
186
700 - The arts; fine & decorative arts
49
363 - Other social problems & services
33
140 - Specific philosophical schools
25
333 - Economics of land & energy
23
380 - Commerce, communications & transportation
16
580 - Plants (Botany)
16
600 - Technology
13
000 - Computer science, information & general works
12
500 - Natural sciences & mathematics
12
304 - Factors affecting social behavior
10
576 - Genetics & evolution
10
370 - Education
9
540 - Chemistry & allied sciences
9
615 - Pharmacology & therapeutics
8
330 - Economics
7
320 - Political science
6
620 - Engineering & allied operations
6
100 - Philosophy & psychology
3
414 - Phonology & phonetics
3
581 - Specific topics in natural history
3
120 - Epistemology, causation & humankind
2
170 - Ethics
2
340 - Law
2
530 - Physics
2
900 - History & geography
2
300 - Social sciences
1
301 - Sociology & anthropology
1
361 - Social problems & social welfare in general
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
658 - General management
1