Classification
000 - Computer science, information & general works
34
100 - Philosophy & psychology
2
140 - Specific philosophical schools
28
170 - Ethics
6
200 - Religion
1
300 - Social sciences
4
304 - Factors affecting social behavior
9
320 - Political science
13
330 - Economics
30
333 - Economics of land & energy
41
340 - Law
6
361 - Social problems & social welfare in general
1
363 - Other social problems & services
30
364 - Criminology
1
370 - Education
19
380 - Commerce, communications & transportation
400 - Language
11
410 - Linguistics
2
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
10
530 - Physics
1
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
9
576 - Genetics & evolution
13
580 - Plants (Botany)
15
581 - Specific topics in natural history
1
600 - Technology
610 - Medicine & health
612 - Human physiology
4
615 - Pharmacology & therapeutics
2
620 - Engineering & allied operations
38
630 - Agriculture & related technologies
7
658 - General management
12
700 - The arts; fine & decorative arts
58
720 - Architecture
12
780 - Music
1
800 - Literature & rhetoric
7
900 - History & geography
31