Classification
000 - Computer science, information & general works
3
140 - Specific philosophical schools
170 - Ethics
1
200 - Religion
301 - Sociology & anthropology
1
320 - Political science
2
330 - Economics
1
361 - Social problems & social welfare in general
363 - Other social problems & services
2
370 - Education
1
380 - Commerce, communications & transportation
3
581 - Specific topics in natural history
2
600 - Technology
3
610 - Medicine & health
1
700 - The arts; fine & decorative arts
2
900 - History & geography
1