Classification
140 - Specific philosophical schools
10
600 - Technology
612 - Human physiology
700 - The arts; fine & decorative arts
10
610 - Medicine & health
4
620 - Engineering & allied operations
4
000 - Computer science, information & general works
3
900 - History & geography
3
333 - Economics of land & energy
2
363 - Other social problems & services
2
780 - Music
2
330 - Economics
1
340 - Law
1
350 - Public administration & military science
1
380 - Commerce, communications & transportation
1
540 - Chemistry & allied sciences
1
581 - Specific topics in natural history
1
630 - Agriculture & related technologies
1