Classification
610 - Medicine & health
309
700 - The arts; fine & decorative arts
21
600 - Technology
7
100 - Philosophy & psychology
6
330 - Economics
4
580 - Plants (Botany)
3
361 - Social problems & social welfare in general
2
612 - Human physiology
2
362 - Social welfare problems & services
1
370 - Education
1