Classification
140 - Specific philosophical schools
300 - Social sciences
610 - Medicine & health
333 - Economics of land & energy
12
301 - Sociology & anthropology
11
700 - The arts; fine & decorative arts
11
363 - Other social problems & services
10
320 - Political science
9
330 - Economics
9
340 - Law
9
380 - Commerce, communications & transportation
8
600 - Technology
8
620 - Engineering & allied operations
7
900 - History & geography
7
000 - Computer science, information & general works
6
100 - Philosophy & psychology
6
170 - Ethics
6
576 - Genetics & evolution
5
580 - Plants (Botany)
5
304 - Factors affecting social behavior
4
551 - Geology, hydrology & meteorology
4
200 - Religion
3
414 - Phonology & phonetics
3
500 - Natural sciences & mathematics
3
540 - Chemistry & allied sciences
3
581 - Specific topics in natural history
3
612 - Human physiology
3
630 - Agriculture & related technologies
3
720 - Architecture
3
800 - Literature & rhetoric
3
370 - Education
2
297 - Islam, Babism & Bahai Faith
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
400 - Language
1
658 - General management
1