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