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