Classification
000 - Computer science, information & general works
8
100 - Philosophy & psychology
3
140 - Specific philosophical schools
4
160 - Logic
1
170 - Ethics
5
200 - Religion
1
300 - Social sciences
10
301 - Sociology & anthropology
3
304 - Factors affecting social behavior
1
320 - Political science
330 - Economics
333 - Economics of land & energy
11
337 - International economics
1
340 - Law
363 - Other social problems & services
9
370 - Education
3
380 - Commerce, communications & transportation
5
400 - Language
2
410 - Linguistics
3
500 - Natural sciences & mathematics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
581 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
2
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
2
658 - General management
4
700 - The arts; fine & decorative arts
770 - Photography, photographs & computer art
1
780 - Music
1
791 - Public performances
2
800 - Literature & rhetoric
1
900 - History & geography
10