Classification
363 - Other social problems & services
11
320 - Political science
6
303 - Social processes
5
330 - Economics
5
140 - Specific philosophical schools
3
340 - Law
3
600 - Technology
3
700 - The arts; fine & decorative arts
3
000 - Computer science, information & general works
2
297 - Islam, Babism & Bahai Faith
2
333 - Economics of land & energy
2
620 - Engineering & allied operations
2
658 - General management
2
973 - United States
2
170 - Ethics
1
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
327 - International relations
1
338 - Production
1
341 - Law of nations
1
343 - Military, tax, trade & industrial law
1
345 - Criminal law
1
362 - Social welfare problems & services
1
368 - Insurance
1
370 - Education
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
610 - Medicine & health
1
628 - Sanitary & municipal engineering
1
720 - Architecture
1
800 - Literature & rhetoric
1
900 - History & geography
1
909 - World history
1