Classification
140 - Specific philosophical schools
170 - Ethics
610 - Medicine & health
6
340 - Law
3
361 - Social problems & social welfare in general
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
580 - Plants (Botany)
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
000 - Computer science, information & general works
1
174 - Occupational ethics
1
300 - Social sciences
1
344 - Labor, social, education & cultural law
1
370 - Education
1
581 - Specific topics in natural history
1
600 - Technology
1
612 - Human physiology
1