Classification
000 - Computer science, information & general works
610 - Medicine & health
800 - Literature & rhetoric
363 - Other social problems & services
14
700 - The arts; fine & decorative arts
12
580 - Plants (Botany)
10
140 - Specific philosophical schools
7
551 - Geology, hydrology & meteorology
7
330 - Economics
6
600 - Technology
6
333 - Economics of land & energy
5
304 - Factors affecting social behavior
4
380 - Commerce, communications & transportation
3
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
581 - Specific topics in natural history
3
630 - Agriculture & related technologies
3
540 - Chemistry & allied sciences
2
620 - Engineering & allied operations
2
900 - History & geography
2
100 - Philosophy & psychology
1
320 - Political science
1
340 - Law
1
364 - Criminology
1
370 - Education
1
414 - Phonology & phonetics
1
590 - Animals (Zoology)
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
658 - General management
1