Classification
000 - Computer science, information & general works
370 - Education
140 - Specific philosophical schools
1
300 - Social sciences
1
363 - Other social problems & services
1
400 - Language
1
500 - Natural sciences & mathematics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1
780 - Music
1