Classification
100 - Philosophy & psychology
2
170 - Ethics
2
340 - Law
2
364 - Criminology
2
600 - Technology
2
620 - Engineering & allied operations
2
000 - Computer science, information & general works
1
200 - Religion
1
300 - Social sciences
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
610 - Medicine & health
1