Classification
700 - The arts; fine & decorative arts
610 - Medicine & health
253
330 - Economics
69
140 - Specific philosophical schools
29
580 - Plants (Botany)
26
100 - Philosophy & psychology
16
600 - Technology
16
370 - Education
10
363 - Other social problems & services
9
340 - Law
8
170 - Ethics
6
800 - Literature & rhetoric
6
000 - Computer science, information & general works
5
362 - Social welfare problems & services
5
612 - Human physiology
5
616 - Diseases
5
338 - Production
4
380 - Commerce, communications & transportation
4
900 - History & geography
4
333 - Economics of land & energy
3
551 - Geology, hydrology & meteorology
3
615 - Pharmacology & therapeutics
3
620 - Engineering & allied operations
3
658 - General management
3
306 - Culture & institutions
2
320 - Political science
2
618 - Gynecology, obstetrics, pediatrics & geriatrics
2
630 - Agriculture & related technologies
2
301 - Sociology & anthropology
1
302 - Social interaction
1
353 - Specific fields of public administration
1
361 - Social problems & social welfare in general
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
614 - Incidence & prevention of disease
1
628 - Sanitary & municipal engineering
1