Classification
363 - Other social problems & services
11
551 - Geology, hydrology & meteorology
600 - Technology
11
620 - Engineering & allied operations
630 - Agriculture & related technologies
700 - The arts; fine & decorative arts
9
000 - Computer science, information & general works
6
330 - Economics
6
333 - Economics of land & energy
5
610 - Medicine & health
3
300 - Social sciences
2
320 - Political science
2
500 - Natural sciences & mathematics
2
580 - Plants (Botany)
2
140 - Specific philosophical schools
1
350 - Public administration & military science
1
370 - Education
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
581 - Specific topics in natural history
1
658 - General management
1
900 - History & geography
1