Classification
657 - Accounting
330 - Economics
37
000 - Computer science, information & general works
14
600 - Technology
11
363 - Other social problems & services
9
320 - Political science
8
333 - Economics of land & energy
8
380 - Commerce, communications & transportation
7
650 - Management & auxiliary services
5
700 - The arts; fine & decorative arts
5
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
4
140 - Specific philosophical schools
3
338 - Production
3
340 - Law
3
551 - Geology, hydrology & meteorology
3
580 - Plants (Botany)
3
658 - General management
3
900 - History & geography
3
332 - Financial economics
2
370 - Education
2
540 - Chemistry & allied sciences
2
576 - Genetics & evolution
2
720 - Architecture
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
170 - Ethics
1
331 - Labor economics
1
336 - Public finance
1
350 - Public administration & military science
1
400 - Language
1
500 - Natural sciences & mathematics
1
530 - Physics
1
581 - Specific topics in natural history
1
610 - Medicine & health
1