Classification
000 - Computer science, information & general works
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
2
304 - Factors affecting social behavior
1
320 - Political science
2
330 - Economics
1
333 - Economics of land & energy
2
340 - Law
1
363 - Other social problems & services
2
370 - Education
380 - Commerce, communications & transportation
2
400 - Language
1
551 - Geology, hydrology & meteorology
1
600 - Technology
3
610 - Medicine & health
3
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
3
720 - Architecture
2
900 - History & geography
1