Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
1
140 - Specific philosophical schools
2
333 - Economics of land & energy
5
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
7
400 - Language
1
500 - Natural sciences & mathematics
3
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
2
600 - Technology
11
610 - Medicine & health
3
620 - Engineering & allied operations
12
700 - The arts; fine & decorative arts
8
720 - Architecture
1
900 - History & geography
5