Classification
610 - Medicine & health
57
100 - Philosophy & psychology
28
360 - Social problems & services; associations
19
700 - The arts; fine & decorative arts
16
140 - Specific philosophical schools
12
333 - Economics of land & energy
12
340 - Law
12
330 - Economics
10
170 - Ethics
9
362 - Social welfare problems & services
8
300 - Social sciences
7
320 - Political science
7
363 - Other social problems & services
7
370 - Education
7
000 - Computer science, information & general works
6
200 - Religion
6
380 - Commerce, communications & transportation
6
900 - History & geography
6
600 - Technology
5
230 - Christianity & Christian theology
4
250 - Christian orders & local church
4
179 - Other ethical norms
3
304 - Factors affecting social behavior
3
344 - Labor, social, education & cultural law
3
390 - Customs, etiquette & folklore
3
500 - Natural sciences & mathematics
3
612 - Human physiology
3
616 - Diseases
3
800 - Literature & rhetoric
3
301 - Sociology & anthropology
2
400 - Language
2
540 - Chemistry & allied sciences
2
580 - Plants (Botany)
2
658 - General management
2
128 - Humankind
1
160 - Logic
1
280 - Christian denominations & sects
1
297 - Islam, Babism & Bahai Faith
1
303 - Social processes
1
338 - Production
1
355 - Military science
1
361 - Social problems & social welfare in general
1
394 - General customs
1
410 - Linguistics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1
720 - Architecture
1
780 - Music
1
more ...