Classification
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
370 - Education
400 - Language
530 - Physics
1
551 - Geology, hydrology & meteorology
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
600 - Technology
610 - Medicine & health
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1