Classification
610 - Medicine & health
658 - General management
000 - Computer science, information & general works
5
700 - The arts; fine & decorative arts
5
140 - Specific philosophical schools
3
333 - Economics of land & energy
3
363 - Other social problems & services
3
370 - Education
3
380 - Commerce, communications & transportation
3
620 - Engineering & allied operations
3
384 - Communications; telecommunication
2
551 - Geology, hydrology & meteorology
2
900 - History & geography
2
001 - Knowledge
1
170 - Ethics
1
300 - Social sciences
1
320 - Political science
1
330 - Economics
1
331 - Labor economics
1
338 - Production
1
361 - Social problems & social welfare in general
1
368 - Insurance
1
530 - Physics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
600 - Technology
1
720 - Architecture
1