Classification
610 - Medicine & health
210
700 - The arts; fine & decorative arts
27
330 - Economics
23
800 - Literature & rhetoric
17
363 - Other social problems & services
15
000 - Computer science, information & general works
14
100 - Philosophy & psychology
14
380 - Commerce, communications & transportation
7
600 - Technology
7
370 - Education
6
333 - Economics of land & energy
2
170 - Ethics
1
410 - Linguistics
1
580 - Plants (Botany)
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
658 - General management
1