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