Classification
610 - Medicine & health
29
000 - Computer science, information & general works
17
700 - The arts; fine & decorative arts
17
140 - Specific philosophical schools
9
540 - Chemistry & allied sciences
9
333 - Economics of land & energy
7
380 - Commerce, communications & transportation
7
580 - Plants (Botany)
7
304 - Factors affecting social behavior
5
363 - Other social problems & services
4
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
414 - Phonology & phonetics
2
581 - Specific topics in natural history
2
600 - Technology
2
612 - Human physiology
2
615 - Pharmacology & therapeutics
2
620 - Engineering & allied operations
2
370 - Education
1
570 - Life sciences; biology
1
572 - Biochemistry
1
664 - Food technology
1
770 - Photography, photographs & computer art
1
800 - Literature & rhetoric
1