Classification
000 - Computer science, information & general works
400 - Language
530 - Physics
2
551 - Geology, hydrology & meteorology
600 - Technology
700 - The arts; fine & decorative arts
140 - Specific philosophical schools
1
363 - Other social problems & services
1
370 - Education
1
500 - Natural sciences & mathematics
1
550 - Earth sciences
1
576 - Genetics & evolution
1
610 - Medicine & health
1
620 - Engineering & allied operations
1