Classification
320 - Political science
400 - Language
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
333 - Economics of land & energy
2
410 - Linguistics
2
600 - Technology
2
900 - History & geography
2
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
330 - Economics
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1
580 - Plants (Botany)
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
720 - Architecture
1
800 - Literature & rhetoric
1