Classification
000 - Computer science, information & general works
14
100 - Philosophy & psychology
1
140 - Specific philosophical schools
4
200 - Religion
1
300 - Social sciences
3
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
320 - Political science
16
330 - Economics
17
333 - Economics of land & energy
30
336 - Public finance
1
340 - Law
5
350 - Public administration & military science
1
363 - Other social problems & services
29
370 - Education
1
380 - Commerce, communications & transportation
15
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
2
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
10
576 - Genetics & evolution
2
580 - Plants (Botany)
15
581 - Specific topics in natural history
9
600 - Technology
27
610 - Medicine & health
7
612 - Human physiology
2
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
26
630 - Agriculture & related technologies
658 - General management
2
664 - Food technology
2
700 - The arts; fine & decorative arts
18
720 - Architecture
3
800 - Literature & rhetoric
1
900 - History & geography
9