Classification
000 - Computer science, information & general works
2
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
330 - Economics
333 - Economics of land & energy
1
363 - Other social problems & services
370 - Education
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
600 - Technology
2
620 - Engineering & allied operations
3
658 - General management
1
700 - The arts; fine & decorative arts
720 - Architecture
2
900 - History & geography