Classification
658 - General management
330 - Economics
16
610 - Medicine & health
9
380 - Commerce, communications & transportation
8
370 - Education
7
700 - The arts; fine & decorative arts
7
000 - Computer science, information & general works
6
333 - Economics of land & energy
5
363 - Other social problems & services
5
576 - Genetics & evolution
5
600 - Technology
5
320 - Political science
4
650 - Management & auxiliary services
4
140 - Specific philosophical schools
3
158 - Applied psychology
3
378 - Higher education
3
500 - Natural sciences & mathematics
3
300 - Social sciences
2
332 - Financial economics
2
338 - Production
2
340 - Law
2
410 - Linguistics
2
620 - Engineering & allied operations
2
800 - Literature & rhetoric
2
900 - History & geography
2
302 - Social interaction
1
400 - Language
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
745 - Decorative arts
1