Classification
000 - Computer science, information & general works
6
100 - Philosophy & psychology
7
140 - Specific philosophical schools
10
170 - Ethics
5
200 - Religion
3
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
7
301 - Sociology & anthropology
2
304 - Factors affecting social behavior
3
320 - Political science
10
330 - Economics
4
333 - Economics of land & energy
6
340 - Law
6
360 - Social problems & services; associations
7
361 - Social problems & social welfare in general
363 - Other social problems & services
3
364 - Criminology
5
370 - Education
3
380 - Commerce, communications & transportation
2
400 - Language
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
2
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
3
580 - Plants (Botany)
2
581 - Specific topics in natural history
1
600 - Technology
6
610 - Medicine & health
9
612 - Human physiology
1
620 - Engineering & allied operations
5
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
10
791 - Public performances
1
800 - Literature & rhetoric
1
900 - History & geography