Classification
610 - Medicine & health
700 - The arts; fine & decorative arts
35
380 - Commerce, communications & transportation
20
140 - Specific philosophical schools
16
000 - Computer science, information & general works
15
370 - Education
15
333 - Economics of land & energy
14
330 - Economics
13
100 - Philosophy & psychology
11
600 - Technology
10
900 - History & geography
10
363 - Other social problems & services
9
612 - Human physiology
8
620 - Engineering & allied operations
6
500 - Natural sciences & mathematics
5
580 - Plants (Botany)
5
170 - Ethics
4
304 - Factors affecting social behavior
4
340 - Law
3
540 - Chemistry & allied sciences
3
658 - General management
3
200 - Religion
2
300 - Social sciences
2
361 - Social problems & social welfare in general
2
551 - Geology, hydrology & meteorology
2
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
320 - Political science
1
400 - Language
1
576 - Genetics & evolution
1
613 - Personal health & safety
1
615 - Pharmacology & therapeutics
1
616 - Diseases
1
630 - Agriculture & related technologies
1
720 - Architecture
1
780 - Music
1