Classification
380 - Commerce, communications & transportation
610 - Medicine & health
26
700 - The arts; fine & decorative arts
21
000 - Computer science, information & general works
19
140 - Specific philosophical schools
18
333 - Economics of land & energy
15
363 - Other social problems & services
13
370 - Education
13
600 - Technology
12
320 - Political science
7
330 - Economics
7
400 - Language
6
100 - Philosophy & psychology
4
361 - Social problems & social welfare in general
4
576 - Genetics & evolution
4
580 - Plants (Botany)
4
658 - General management
4
800 - Literature & rhetoric
4
200 - Religion
3
304 - Factors affecting social behavior
3
410 - Linguistics
3
581 - Specific topics in natural history
3
414 - Phonology & phonetics
2
620 - Engineering & allied operations
2
900 - History & geography
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
340 - Law
1
551 - Geology, hydrology & meteorology
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
657 - Accounting
1
720 - Architecture
1
780 - Music
1