Classification
000 - Computer science, information & general works
380 - Commerce, communications & transportation
530 - Physics
700 - The arts; fine & decorative arts
333 - Economics of land & energy
15
330 - Economics
5
340 - Law
5
363 - Other social problems & services
5
576 - Genetics & evolution
5
600 - Technology
4
658 - General management
4
540 - Chemistry & allied sciences
3
580 - Plants (Botany)
3
900 - History & geography
3
140 - Specific philosophical schools
2
320 - Political science
2
414 - Phonology & phonetics
2
500 - Natural sciences & mathematics
2
800 - Literature & rhetoric
2
300 - Social sciences
1
304 - Factors affecting social behavior
1
370 - Education
1
551 - Geology, hydrology & meteorology
1
620 - Engineering & allied operations
1
650 - Management & auxiliary services
1
657 - Accounting
1