Classification
000 - Computer science, information & general works
576 - Genetics & evolution
620 - Engineering & allied operations
10
720 - Architecture
700 - The arts; fine & decorative arts
9
600 - Technology
8
330 - Economics
7
333 - Economics of land & energy
7
900 - History & geography
7
363 - Other social problems & services
3
380 - Commerce, communications & transportation
3
580 - Plants (Botany)
2
610 - Medicine & health
2
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
370 - Education
1
400 - Language
1
414 - Phonology & phonetics
1
658 - General management
1
800 - Literature & rhetoric
1