Classification
000 - Computer science, information & general works
700 - The arts; fine & decorative arts
363 - Other social problems & services
14
900 - History & geography
11
333 - Economics of land & energy
9
600 - Technology
7
620 - Engineering & allied operations
5
320 - Political science
4
380 - Commerce, communications & transportation
4
576 - Genetics & evolution
4
330 - Economics
3
540 - Chemistry & allied sciences
3
340 - Law
2
370 - Education
2
140 - Specific philosophical schools
1
414 - Phonology & phonetics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
650 - Management & auxiliary services
1
658 - General management
1