Classification
297 - Islam, Babism & Bahai Faith
370 - Education
900 - History & geography
200 - Religion
3
700 - The arts; fine & decorative arts
3
301 - Sociology & anthropology
2
320 - Political science
2
330 - Economics
2
340 - Law
2
363 - Other social problems & services
2
620 - Engineering & allied operations
2
720 - Architecture
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
170 - Ethics
1
300 - Social sciences
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
610 - Medicine & health
1
800 - Literature & rhetoric
1