Classification
000 - Computer science, information & general works
320 - Political science
333 - Economics of land & energy
2
363 - Other social problems & services
1
380 - Commerce, communications & transportation
2
600 - Technology
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
720 - Architecture
2
800 - Literature & rhetoric
2
900 - History & geography
1