Classification
000 - Computer science, information & general works
24
100 - Philosophy & psychology
4
140 - Specific philosophical schools
12
170 - Ethics
1
200 - Religion
4
300 - Social sciences
6
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
6
320 - Political science
16
330 - Economics
333 - Economics of land & energy
44
340 - Law
11
363 - Other social problems & services
30
370 - Education
12
380 - Commerce, communications & transportation
400 - Language
8
410 - Linguistics
3
500 - Natural sciences & mathematics
4
530 - Physics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
11
576 - Genetics & evolution
6
580 - Plants (Botany)
8
581 - Specific topics in natural history
1
600 - Technology
610 - Medicine & health
9
620 - Engineering & allied operations
57
630 - Agriculture & related technologies
5
657 - Accounting
2
658 - General management
6
700 - The arts; fine & decorative arts
48
720 - Architecture
11
770 - Photography, photographs & computer art
1
780 - Music
4
800 - Literature & rhetoric
3
900 - History & geography