Classification
610 - Medicine & health
43
362 - Social welfare problems & services
13
330 - Economics
11
658 - General management
9
300 - Social sciences
8
338 - Production
5
500 - Natural sciences & mathematics
4
000 - Computer science, information & general works
1
153 - Mental processes & intelligence
1
302 - Social interaction
1
384 - Communications; telecommunication
1
600 - Technology
1
616 - Diseases
1
620 - Engineering & allied operations
1