Classification
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
363 - Other social problems & services
1
370 - Education
2
500 - Natural sciences & mathematics
1
530 - Physics
1
540 - Chemistry & allied sciences
2
600 - Technology
2
610 - Medicine & health
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
720 - Architecture
1
900 - History & geography