Classification
170 - Ethics
330 - Economics
21
200 - Religion
7
658 - General management
7
320 - Political science
5
332 - Financial economics
5
610 - Medicine & health
5
000 - Computer science, information & general works
4
140 - Specific philosophical schools
4
333 - Economics of land & energy
4
338 - Production
4
300 - Social sciences
3
100 - Philosophy & psychology
2
297 - Islam, Babism & Bahai Faith
2
339 - Macroeconomics & related topics
2
363 - Other social problems & services
2
370 - Education
2
581 - Specific topics in natural history
2
158 - Applied psychology
1
331 - Labor economics
1
368 - Insurance
1
374 - Adult education
1
380 - Commerce, communications & transportation
1
530 - Physics
1
600 - Technology
1
620 - Engineering & allied operations
1
659 - Advertising & public relations
1
670 - Manufacturing
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1