Classification
330 - Economics
336 - Public finance
35
320 - Political science
23
332 - Financial economics
12
900 - History & geography
9
100 - Philosophy & psychology
8
340 - Law
7
333 - Economics of land & energy
5
361 - Social problems & social welfare in general
5
657 - Accounting
4
350 - Public administration & military science
3
380 - Commerce, communications & transportation
3
610 - Medicine & health
3
338 - Production
2
352 - General considerations of public administration
2
363 - Other social problems & services
2
370 - Education
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
153 - Mental processes & intelligence
1
170 - Ethics
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
302 - Social interaction
1
304 - Factors affecting social behavior
1
331 - Labor economics
1
343 - Military, tax, trade & industrial law
1
581 - Specific topics in natural history
1
658 - General management
1
700 - The arts; fine & decorative arts
1