Classification
330 - Economics
1,580
332 - Financial economics
13
333 - Economics of land & energy
11
658 - General management
11
000 - Computer science, information & general works
10
600 - Technology
9
320 - Political science
7
338 - Production
6
363 - Other social problems & services
6
700 - The arts; fine & decorative arts
6
340 - Law
5
380 - Commerce, communications & transportation
4
576 - Genetics & evolution
4
300 - Social sciences
3
370 - Education
2
551 - Geology, hydrology & meteorology
2
620 - Engineering & allied operations
2
659 - Advertising & public relations
2
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
302 - Social interaction
1
304 - Factors affecting social behavior
1
346 - Private law
1
381 - Commerce
1
400 - Language
1
500 - Natural sciences & mathematics
1
580 - Plants (Botany)
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
657 - Accounting
1
670 - Manufacturing
1
800 - Literature & rhetoric
1
900 - History & geography
1