Classification
000 - Computer science, information & general works
3
500 - Natural sciences & mathematics
530 - Physics
333 - Economics of land & energy
2
600 - Technology
2
620 - Engineering & allied operations
2
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
400 - Language
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1