Classification
700 - The arts; fine & decorative arts
10
000 - Computer science, information & general works
7
333 - Economics of land & energy
7
600 - Technology
7
363 - Other social problems & services
6
620 - Engineering & allied operations
5
900 - History & geography
5
540 - Chemistry & allied sciences
4
576 - Genetics & evolution
4
580 - Plants (Botany)
3
140 - Specific philosophical schools
2
340 - Law
2
380 - Commerce, communications & transportation
2
530 - Physics
2
610 - Medicine & health
2
650 - Management & auxiliary services
2
330 - Economics
1
370 - Education
1
414 - Phonology & phonetics
1
581 - Specific topics in natural history
1
720 - Architecture
1