Classification
000 - Computer science, information & general works
2
320 - Political science
363 - Other social problems & services
2
540 - Chemistry & allied sciences
700 - The arts; fine & decorative arts
300 - Social sciences
1
333 - Economics of land & energy
1
370 - Education
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1