Classification
610 - Medicine & health
148
700 - The arts; fine & decorative arts
17
100 - Philosophy & psychology
15
363 - Other social problems & services
11
330 - Economics
10
370 - Education
7
600 - Technology
6
000 - Computer science, information & general works
3
320 - Political science
3
380 - Commerce, communications & transportation
3
620 - Engineering & allied operations
3
170 - Ethics
2
333 - Economics of land & energy
2
580 - Plants (Botany)
2
900 - History & geography
2
140 - Specific philosophical schools
1
154 - Subconscious & altered states
1
302 - Social interaction
1
361 - Social problems & social welfare in general
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
612 - Human physiology
1
630 - Agriculture & related technologies
1