Classification
615 - Pharmacology & therapeutics
610 - Medicine & health
7
370 - Education
5
700 - The arts; fine & decorative arts
3
380 - Commerce, communications & transportation
2
580 - Plants (Botany)
2
600 - Technology
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
363 - Other social problems & services
1
800 - Literature & rhetoric
1