Classification
615 - Pharmacology & therapeutics
610 - Medicine & health
3
000 - Computer science, information & general works
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
304 - Factors affecting social behavior
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
540 - Chemistry & allied sciences
1