Classification
000 - Computer science, information & general works
30
700 - The arts; fine & decorative arts
25
500 - Natural sciences & mathematics
20
600 - Technology
18
333 - Economics of land & energy
14
620 - Engineering & allied operations
14
900 - History & geography
14
340 - Law
10
576 - Genetics & evolution
10
380 - Commerce, communications & transportation
8
530 - Physics
6
330 - Economics
5
610 - Medicine & health
4
140 - Specific philosophical schools
2
304 - Factors affecting social behavior
2
363 - Other social problems & services
2
540 - Chemistry & allied sciences
2
580 - Plants (Botany)
2
658 - General management
2
350 - Public administration & military science
1
510 - Mathematics
1
515 - Analysis
1
590 - Animals (Zoology)
1
820 - English & Old English literatures
1