Classification
700 - The arts; fine & decorative arts
610 - Medicine & health
18
000 - Computer science, information & general works
9
333 - Economics of land & energy
7
140 - Specific philosophical schools
6
612 - Human physiology
6
380 - Commerce, communications & transportation
5
580 - Plants (Botany)
5
600 - Technology
5
330 - Economics
3
500 - Natural sciences & mathematics
2
540 - Chemistry & allied sciences
2
620 - Engineering & allied operations
2
800 - Literature & rhetoric
2
414 - Phonology & phonetics
1
900 - History & geography
1