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