Classification
363 - Other social problems & services
700 - The arts; fine & decorative arts
65
610 - Medicine & health
63
333 - Economics of land & energy
36
000 - Computer science, information & general works
35
600 - Technology
35
380 - Commerce, communications & transportation
33
620 - Engineering & allied operations
32
140 - Specific philosophical schools
24
900 - History & geography
24
576 - Genetics & evolution
19
580 - Plants (Botany)
17
330 - Economics
15
500 - Natural sciences & mathematics
15
540 - Chemistry & allied sciences
13
304 - Factors affecting social behavior
12
551 - Geology, hydrology & meteorology
12
581 - Specific topics in natural history
12
630 - Agriculture & related technologies
8
720 - Architecture
8
300 - Social sciences
7
320 - Political science
7
340 - Law
6
615 - Pharmacology & therapeutics
6
370 - Education
5
612 - Human physiology
5
414 - Phonology & phonetics
4
658 - General management
4
800 - Literature & rhetoric
3
170 - Ethics
2
410 - Linguistics
2
550 - Earth sciences
1
770 - Photography, photographs & computer art
1