Classification
170 - Ethics
330 - Economics
13
610 - Medicine & health
11
140 - Specific philosophical schools
10
320 - Political science
8
380 - Commerce, communications & transportation
8
100 - Philosophy & psychology
7
363 - Other social problems & services
7
333 - Economics of land & energy
6
370 - Education
6
658 - General management
5
700 - The arts; fine & decorative arts
5
580 - Plants (Botany)
4
000 - Computer science, information & general works
3
300 - Social sciences
3
340 - Law
3
361 - Social problems & social welfare in general
3
600 - Technology
3
200 - Religion
2
551 - Geology, hydrology & meteorology
2
620 - Engineering & allied operations
2
900 - History & geography
2
001 - Knowledge
1
120 - Epistemology, causation & humankind
1
174 - Occupational ethics
1
296 - Judaism
1
302 - Social interaction
1
304 - Factors affecting social behavior
1
338 - Production
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
384 - Communications; telecommunication
1
410 - Linguistics
1
530 - Physics
1
576 - Genetics & evolution
1
630 - Agriculture & related technologies
1
660 - Chemical engineering
1
800 - Literature & rhetoric
1
920 - Biography, genealogy & insignia
1