Classification
610 - Medicine & health
168
000 - Computer science, information & general works
13
330 - Economics
12
700 - The arts; fine & decorative arts
8
370 - Education
7
600 - Technology
7
170 - Ethics
6
100 - Philosophy & psychology
5
616 - Diseases
5
363 - Other social problems & services
4
340 - Law
3
380 - Commerce, communications & transportation
3
320 - Political science
2
362 - Social welfare problems & services
2
551 - Geology, hydrology & meteorology
2
580 - Plants (Botany)
2
660 - Chemical engineering
2
001 - Knowledge
1
140 - Specific philosophical schools
1
361 - Social problems & social welfare in general
1
502 - Miscellany
1
570 - Life sciences; biology
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1
658 - General management
1