Classification
000 - Computer science, information & general works
102
100 - Philosophy & psychology
13
140 - Specific philosophical schools
69
160 - Logic
1
170 - Ethics
4
200 - Religion
1
300 - Social sciences
2
304 - Factors affecting social behavior
13
320 - Political science
2
330 - Economics
33
333 - Economics of land & energy
85
340 - Law
5
362 - Social welfare problems & services
1
363 - Other social problems & services
17
370 - Education
27
380 - Commerce, communications & transportation
46
400 - Language
1
410 - Linguistics
1
414 - Phonology & phonetics
7
500 - Natural sciences & mathematics
5
530 - Physics
3
540 - Chemistry & allied sciences
27
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
12
580 - Plants (Botany)
70
581 - Specific topics in natural history
3
600 - Technology
38
610 - Medicine & health
612 - Human physiology
21
615 - Pharmacology & therapeutics
15
620 - Engineering & allied operations
20
630 - Agriculture & related technologies
4
658 - General management
2
700 - The arts; fine & decorative arts
176
720 - Architecture
2
770 - Photography, photographs & computer art
3
780 - Music
2
791 - Public performances
1
800 - Literature & rhetoric
4
900 - History & geography
16