Classification
610 - Medicine & health
340 - Law
19
900 - History & geography
16
170 - Ethics
10
100 - Philosophy & psychology
7
140 - Specific philosophical schools
4
200 - Religion
3
300 - Social sciences
3
320 - Political science
3
362 - Social welfare problems & services
3
363 - Other social problems & services
3
500 - Natural sciences & mathematics
3
600 - Technology
3
301 - Sociology & anthropology
2
330 - Economics
2
333 - Economics of land & energy
2
370 - Education
2
580 - Plants (Botany)
2
616 - Diseases
2
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2
158 - Applied psychology
1
160 - Logic
1
174 - Occupational ethics
1
179 - Other ethical norms
1
232 - Jesus Christ & his family
1
284 - Protestants of Continental origin
1
380 - Commerce, communications & transportation
1
530 - Physics
1
581 - Specific topics in natural history
1
614 - Incidence & prevention of disease
1
615 - Pharmacology & therapeutics
1
617 - Surgery & related medical specialties
1
809 - History, description & criticism
1
880 - Hellenic literatures; classical Greek
1
943 - Central Europe; Germany
1