Classification
370 - Education
610 - Medicine & health
700 - The arts; fine & decorative arts
3
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
330 - Economics
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
612 - Human physiology
2
100 - Philosophy & psychology
1
170 - Ethics
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
600 - Technology
1
658 - General management
1
780 - Music
1
900 - History & geography
1