Classification
304 - Factors affecting social behavior
000 - Computer science, information & general works
3
610 - Medicine & health
3
333 - Economics of land & energy
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
380 - Commerce, communications & transportation
1
580 - Plants (Botany)
1
600 - Technology
1
615 - Pharmacology & therapeutics
1