Classification
140 - Specific philosophical schools
170 - Ethics
200 - Religion
600 - Technology
610 - Medicine & health
000 - Computer science, information & general works
1
330 - Economics
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1
700 - The arts; fine & decorative arts
1