Classification
000 - Computer science, information & general works
330 - Economics
333 - Economics of land & energy
5
551 - Geology, hydrology & meteorology
576 - Genetics & evolution
363 - Other social problems & services
4
140 - Specific philosophical schools
2
320 - Political science
2
380 - Commerce, communications & transportation
2
304 - Factors affecting social behavior
1
410 - Linguistics
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1