Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
363 - Other social problems & services
610 - Medicine & health
700 - The arts; fine & decorative arts
4
140 - Specific philosophical schools
2
330 - Economics
2
333 - Economics of land & energy
2
370 - Education
2
580 - Plants (Botany)
2
581 - Specific topics in natural history
2
600 - Technology
2
620 - Engineering & allied operations
2
658 - General management
2
900 - History & geography
2
200 - Religion
1
301 - Sociology & anthropology
1
320 - Political science
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
800 - Literature & rhetoric
1