Classification
000 - Computer science, information & general works
56
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
18
170 - Ethics
2
300 - Social sciences
5
304 - Factors affecting social behavior
3
320 - Political science
7
330 - Economics
17
333 - Economics of land & energy
26
340 - Law
2
363 - Other social problems & services
21
370 - Education
10
380 - Commerce, communications & transportation
19
400 - Language
20
410 - Linguistics
7
414 - Phonology & phonetics
2
500 - Natural sciences & mathematics
6
530 - Physics
2
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
5
576 - Genetics & evolution
11
580 - Plants (Botany)
6
581 - Specific topics in natural history
1
600 - Technology
610 - Medicine & health
22
620 - Engineering & allied operations
52
630 - Agriculture & related technologies
9
657 - Accounting
1
658 - General management
7
700 - The arts; fine & decorative arts
56
720 - Architecture
13
770 - Photography, photographs & computer art
2
780 - Music
1
800 - Literature & rhetoric
6
900 - History & geography
47