Classification
600 - Technology
610 - Medicine & health
700 - The arts; fine & decorative arts
330 - Economics
10
363 - Other social problems & services
9
620 - Engineering & allied operations
8
551 - Geology, hydrology & meteorology
7
000 - Computer science, information & general works
6
333 - Economics of land & energy
6
370 - Education
5
900 - History & geography
5
140 - Specific philosophical schools
4
340 - Law
4
380 - Commerce, communications & transportation
4
658 - General management
4
320 - Political science
3
100 - Philosophy & psychology
2
580 - Plants (Botany)
2
630 - Agriculture & related technologies
2
338 - Production
1
360 - Social problems & services; associations
1
500 - Natural sciences & mathematics
1
581 - Specific topics in natural history
1
612 - Human physiology
1